Season Review · Part 1
Season Review, Part 1: Euller, the Left Foot Everybody Planned For
Eight goals, five assists, a first career hat trick and a season spent being double-marked: what Euller has done well in 2026, where the same mistakes keep showing up, and what his strengths mean for the last six matches.
This is the first of a player-by-player review of Seoul E-Land’s 2026 season, written with six matches to go rather than after the last one, because the last six will be judged against exactly what follows. Each piece does three things: what the player has done well this year, where the mistakes have repeated, and what his strengths are and how the club should use them from here. We start with the player every opponent starts with.
The season in one paragraph
Euller came into 2026 as the reigning K League 2 assist king, an MVP finalist, and the man Kim Do-gyun said was worth half of Seoul’s attack. He has played 25 of 26 league matches, scored 8 goals and made 5 assists, won a Round MVP for the first career hat trick that beat Ansan in August, made the round’s Best XI five times, and been the club’s highest-rated player by the statistics sites in almost every month. He has also scored zero goals in his first nine matches, been withdrawn before the 85th minute in 19 of his 25, missed a match with a hamstring, been taken off with what his manager called a breathing problem, and told the press in August that every opponent now knows exactly what he does and prepares for it. Both of those paragraphs are true, and the second is the price of the first.
By the numbers
| 2025 (37 league matches) | 2026 through Round 27 (25 matches) | |
|---|---|---|
| Goals | 11 league (12 all competitions) | 8 |
| Assists | 11 (assist king) | 5 |
| Goal involvements | 22 | 13 (5th in K League 2) |
| Minutes | 2,906 | about 1,750 |
| Starts | 37 | 19 |
| Full 90 minutes | most | 6 |
| Round Best XI | 8 | 5 (Rounds 7, 13, 16, 22, 25) |
| Round MVP | 0 | 1 (Round 22) |
| Yellow cards | 9 | 2 |
| Penalties | several, one miss | 2 of 2, one after a retake |
| Shots, on target | 52, 25 | |
| Chances created | 65 key passes, top two in the league | 50 |
The goals break down as two penalties, one direct free kick, and five from open play. Three of the five open-play goals came from one touch: the outside-the-box strike at Gimhae, the equalizer at Suwon FC, the rehearsed short-corner finish against Ansan. Of the five assists, three were crosses or free kicks headed in and one was a lob through the Paju defense.
What he has done well
He delivered when the season was on the line. Seoul’s four biggest results since the summer break each have his fingerprints. At Gimhae in July, the first match back, he broke a stubborn side with a first-time left-footed hit from outside the box and celebrated like Ronaldo. At Suwon FC two weeks later, 2-0 down, he scored the second goal of the comeback from a central position after Park Jae-yong’s lay-off. Against Ansan in August he scored all three, from a corner routine, a direct free kick and a penalty, in a match Seoul had to win after two draws. At Cheongju he put the cross on Ahn Joo-wan’s head for the goal that started the youngest brace in K League history. When Kim Do-gyun’s side needed one door opened, the left foot has knocked first more often than anyone else’s.
He turned the set piece into a fixed asset. Two of his goals went in directly from free kicks without a touch, from the left half-space that the Round 25 broadcast crew called “the Euller zone.” His inswinging corner from the right is the most reliable single delivery in the squad, and the site’s match reports keep using the same phrase for it: shaped away from the goalkeeper. The Ansan opener was a rehearsed corner, the Yongin equalizer in May came from his head at the end of a set piece he had started, and the Busan goals in March came from his free kick and his cross. He takes the penalties too, and when Gimpo’s goalkeeper saved his first attempt in May and the video review ordered a retake because the keeper was off his line, he put the second one in the same corner. “I always take penalties the same way,” he said afterward. “I just told myself to concentrate and do what I always do.”
He has made the players around him better. The pattern reports describe most is not his shot but his combination: with Park Chang-hwan on the left in the spring, with Oh In-pyo overlapping outside him, with Park Jae-yong as the lay-off target for both his Gimhae and Suwon FC goals, and lately with Baek Ji-woong stepping up on the right. The Daegu winner on September 19 had no Euller on the scoresheet; it was Euller carrying down the right and finding Baek, whose first-time pass set up Park’s strike. Euller said in August that Carius’s arrival on the left had “spread the burden,” and the club’s best football since July has come when the ball goes through him without having to end with him.
He has stayed available and stayed calm. One match missed in 26, with a hamstring in March, and two yellow cards all season against nine last year. He was provoked at Gimhae and at Gimpo and finished both matches. The eighteen minutes of stoppage time against Gimpo, he admitted, he spent “shouting ‘end’ inside my head.” He stayed on the pitch.
Where the same mistakes keep showing up
The first nine matches produced no goals. Seoul won five of them, so it went largely unremarked, but a player who scored 11 the year before did not score in open play until Round 12 and did not score at all until a retaken penalty in Round 10. His own diagnosis, given to Sports Chosun after the hat trick, is the honest one: “Every team knows my playing style and prepares thoroughly for it. The space I need to play my game has shrunk a lot.” The numbers agree. Fifty-two shots for eight goals is a conversion rate of one in six and a half, and half the goals are set pieces or penalties. In open play against a prepared block he is creating chances for others more than finishing them himself.
He does not finish matches. Six complete 90-minute performances in 25 appearances. Nineteen times he has come off, usually between the 76th and 84th minute, and the reason is usually fitness management rather than form. The hamstring in March cost him a match. He came on at Jeonnam in May carrying a knock. At Seongnam in August he came on at halftime and went off again on 64 minutes, and Kim Do-gyun told reporters it was “a breathing issue, one that has happened occasionally, that needs checking.” This site initially recorded that as a tactical change. It was not. A winger whose game is repeated sprints to the byline and back is being protected, sensibly, and it means Seoul’s most dangerous player is often watching the last ten minutes of matches decided in the last ten minutes.
The high turnover. Twice this season a goal against Seoul has started with Euller losing the ball in the opponent’s half under pressure: Cheonan’s opener in July, and the sequence before Chungbuk Cheongju’s second in June. It is the natural cost of a player who receives the ball with his back to goal on the touchline and tries to turn, and it is the one thing opponents’ analysts will have circled.
The offside line. Twice this month a goal has been chalked off in his sequences. At Cheongju his pass found Carius a stride offside. Against Daegu he scored a rebound and the referee ruled a foul in the header before it. Neither was his fault; both were his moments, and in a race where goals scored is the tiebreaker, they are two goals Seoul do not have.
His strengths, and what they mean for the last six
The left foot. It sounds reductive to say a winger’s strength is his kicking foot. In Euller’s case it is precise. Every delivery he makes bends the same way, away from the goalkeeper and toward the far post, whether it is a corner from the right, a free kick from the left half-space, or a cross from an inside-right position. That predictability is his weakness against a set defense and his strength against a moving one: defenders know where the ball is going and still cannot get to it first. Seoul’s remaining six opponents are all in the bottom half, and five of them will defend deep. Set pieces and second-phase deliveries will decide at least two of those matches.
The one-touch strike. Three of his open-play goals were hit first time from outside or at the edge of the box. He does not need to beat a defender to score; he needs the ball to arrive at pace with a yard of space. Park Jae-yong’s lay-offs and Baek Ji-woong’s forward runs are the two mechanisms that produce that yard, and both are now established parts of the pattern.
The temperament. For a player who is targeted, fouled, provoked and marked by two men most weeks, two yellow cards and no reaction worth a report is a competitive advantage in a run-in where Seoul cannot afford a suspension. Kim Do-gyun’s post-Daegu request was for more goals from the substitutes; the corollary is that Euller’s job for the last six is to be the reason those goals happen, which is what he has been doing since July.
The choice he made. In November 2025 he turned down K League 1 interest to sign a three-year contract with a second-division club, and said it was the easiest decision of his life. “This place is my home.” A player who has finished fourth and been knocked out in the playoffs, and stayed anyway, is playing these six matches for a specific reason. It shows.
The verdict at Round 27
By raw output, a step down from 2025: eight and five against eleven and eleven at the same point. By context, the most important attacking player in the division’s third-placed side, marked accordingly, and still fifth in the league for goal involvements. The weaknesses are real and mostly structural: he is protected physically, he is targeted tactically, and his finishing from open play has not matched his creation. The strengths are the ones that win promotion races in November, when matches against tired, deep defenses are decided by one delivery. Seoul need 62 or 63 points to be confident of second. Euller’s left foot is the most likely source of the two or three goals between 60 and 63.
Grade so far: A minus. The minus is for the nine goalless matches to open the season and the minutes he cannot yet play. The A is for everything since July.
Match log
| Round | Opponent | Result | Minutes | Goals | Assists | Note |
|---|---|---|---|---|---|---|
| 1 | Suwon Samsung (A) | L 1-2 | 66 | Withdrawn on an injury concern | ||
| 2 | Gyeongnam (H) | W 1-0 | 90 | Cross forced the winning own goal | ||
| 3 | Busan (H) | L 2-3 | 90 | 2 | Free kick and cross | |
| 4 | Cheonan (A) | D 0-0 | 29 | Hamstring, off in the first half | ||
| 5 | Daegu (A) | W 3-1 | Did not play | |||
| 6 | Suwon FC (H) | W 3-0 | 36 | Return from the bench | ||
| 7 | Paju (A) | W 3-1 | 45 | 1 | Lob for Byun Kyung-jun; club record 14th assist; Best XI | |
| 8 | Ansan (A) | W 2-0 | 74 | Cross led to an own goal | ||
| 9 | Hwaseong (H) | L 1-2 | 45 | |||
| 10 | Gimpo (H) | W 2-1 | 89 | 1 | Retaken penalty; yellow | |
| 11 | Chungnam Asan (A) | L 0-3 | 90 | |||
| 12 | Yongin (H) | D 2-2 | 90 | 1 | 1 | Deflected goal; headed on for the 98th-minute equalizer |
| 13 | Seongnam (H) | W 3-1 | 81 | 1 | Direct free kick; 50th club appearance; Best XI | |
| 14 | Jeonnam (A) | W 1-0 | 34 | Sub, carrying a knock | ||
| 15 | Chungbuk Cheongju (H) | L 1-2 | 27 | Sub | ||
| 16 | Gimhae (A) | W 3-1 | 90 | 1 | First-time strike from outside the box; yellow; Best XI | |
| 18 | Suwon FC (A) | D 2-2 | 79 | 1 | Equalizer from a central position | |
| 19 | Cheonan (H) | W 4-3 | 54 | Lost the ball before Cheonan’s opener | ||
| 20 | Busan (A) | W 2-1 | 87 | Switch of play created the winner | ||
| 21 | Hwaseong (A) | D 0-0 | 76 | Volley over | ||
| 22 | Ansan (H) | W 3-1 | 84 | 3 | First career hat trick; Round MVP | |
| 23 | Paju (H) | D 1-1 | 79 | Inswinger tipped away | ||
| 24 | Seongnam (A) | D 1-1 | 20 | On at halftime, off on 64, breathing issue | ||
| 25 | Chungbuk Cheongju (A) | W 2-0 | 79 | 1 | Cross for Ahn Joo-wan’s header; Best XI | |
| 26 | Suwon Samsung (H) | L 0-1 | 90 | Quiet | ||
| 27 | Daegu (H) | W 2-1 | 81 | Rebound goal ruled out; started the winning move |
Statistics from the K League record and the club site, with match detail from the season’s digests and Korean match reports. Part 2 follows during the break.