ATP Challenger Seoul 2026 Preview: Draw, Title Odds, Injuries
The ATP Challenger Seoul main draw begins on 25 October, with Bu Yunchaokete, Lloyd Harris and Coleman Wong Chak Lam leading the field. 46 players and 29 singles matches on our card, hard court.
When is the ATP Challenger Seoul?
The tournament starts on 25 October. Matches are listed to 27 October so far; the later rounds join the card as the draw is published.
Who are the title favourites for the ATP Challenger Seoul?
Bu Yunchaokete is the favourite with a 17.8% chance of the title, ahead of Lloyd Harris on 16.4%. Worked out round by round from the published draw and our player ratings.
| Player | Title chance | Our fair price |
|---|---|---|
| Bu Yunchaokete 2 | 17.8% | 5.6 |
| Lloyd Harris 5 | 16.4% | 6.1 |
| Coleman Wong Chak Lam 3 | 12.1% | 8.3 |
| Yibing Wu 6 | 10.2% | 9.8 |
| Soonwoo Kwon | 9.7% | 10.3 |
| Rei Sakamoto | 7.8% | 12.9 |
| Jan Kumstat | 6.5% | 15.4 |
| Terence Atmane 4 | 3.7% | 26.9 |
| Aleksandar Vukic 8 | 2.2% | 44.6 |
| Taro Daniel | 2.1% | 47.1 |
What is the surface at the ATP Challenger Seoul?
The tournament is played on hard court.
Very slow court. How it has actually played, against the average for its level.
Servers held
−12.2% vs tour average 73.0%
Serve points won
−5.8% vs tour average 60.6%
Sets to a tiebreak
−0.9% vs tour average 14.1%
Aces
−0.14 vs tour average 0.31
Measured from 68 matches played at this event, against the average for its level over the same period. Not a surface label.
Who won the ATP Challenger Seoul in 2025?
Sho Shimabukuro won it in 2025, beating Coleman Wong Chak Lam 2-0.
Which players come to the ATP Challenger Seoul in form?
Win-loss over the last five weeks, across every event, from our own results record.
| Player | Last 5 weeks | Win rate |
|---|---|---|
| Alibek Kachmazov | 14-1 | 93% |
| Lloyd Harris | 10-2 | 83% |
| Jay Dylan Hara Friend | 7-3 | 70% |
| Rei Sakamoto | 6-3 | 67% |
| Omar Jasika | 7-5 | 58% |
| Bu Yunchaokete | 4-3 | 57% |
Which players are carrying an injury into the tournament?
Retirements, walkovers and medical timeouts from our own tracking. A short price on a player who has not finished a match lately is the easiest way to lose money at this level.
| Player | Recent | Why it matters |
|---|---|---|
| Dong Ju Kim | L 1-2, RET, W 2-0 | retired once in the last 3 matches |
| Soonwoo Kwon | W 2-0, W 2-1, RET | retired once in the last 3 matches |
| Terence Atmane | L 0-2, W 2-1, W 2-0 | 2 retirements in 90 days |
| Yuta Kikuchi | W 2-1, RET, L 0-2 | retired once in the last 3 matches |
| Kasidit Samrej | L 1-2, W 2-1, L 0-2 | 3 medical timeout(s) in 14 days |
| Min Hyuk Cho | L 1-2 | first match back after 102 days out (last played 15 Jul) |
What are the first round matchups at the ATP Challenger Seoul?
| Match | Time (UTC) | Prices | Market makes it |
|---|---|---|---|
| Shintaro Imai v Kokoro Isomura | 02:30 | 1.97 / 1.85 | 52% K. Isomura |
| Alibek Kachmazov v Dong Ju Kim | 02:30 | — | — |
| Woobin Shin v Thomas John Fancutt | 02:30 | — | — |
| Alafia Ayeni v Uisung Park | 04:00 | 1.45 / 2.81 | 66% A. Ayeni |
| Yunseong Chung v Alexander Donski | 04:00 | 2.16 / 1.71 | 56% A. Donski |
| Evan Zhu v Yeonsu Jeong | 04:00 | 1.09 / 5.95 | 85% E. Zhu |
| Jesse Delaney v Sanhui Shin | 05:30 | 4.43 / 1.22 | 78% S. Shin |
| Min Ho Ko v Beibit Zhukayev | 05:30 | — | — |
| Christian Langmo v Yusuke Takahashi | 05:30 | 1.57 / 2.43 | 61% C. Langmo |
| Omar Jasika v T. W. Kim | 07:00 | — | — |
| Yuta Kikuchi v Dimitris Sakellaridis | 07:00 | 2.97 / 1.41 | 68% D. Sakellaridis |
| Koki Matsuda v Geun Jun Kim | 07:00 | — | — |