International Challenger-Zhangjiagang
ZhangjiagangHardCH2025
August 25, 2025 – August 31, 2025$100,000
Draw & Results
Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Sho Shimabukuro(JPN) | 6-3, 3-6, 7-5 | Oliver Crawford(GBR) | #198 | #230 | 02:16:00m |
Semi-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Oliver Crawford(GBR) | 7-6, 6-0 | Kokoro Isomura(JPN) | #230 | #480 | 01:47:00m |
| Sho Shimabukuro(JPN) | 6-3, 7-6 | Yasutaka Uchiyama(JPN) | #198 | #225 | 01:35:00m |
Quarter-Finals
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Oliver Crawford(GBR) | 7-6, 3-6, 6-2 | Renta Tokuda(JPN) | #230 | #458 | 02:33:00m |
| Kokoro Isomura(JPN) | 2-6, 6-2, 6-4 | Sanhui Shin(KOR) | #480 | #406 | 02:22:00m |
| Sho Shimabukuro(JPN) | 6-4, 6-3 | Ilia Simakin(RUS) | #198 | #236 | 01:15:00m |
| Yasutaka Uchiyama(JPN) | 6-3, 6-4 | Kaichi Uchida(JPN) | #225 | #579 | 01:27:00m |
Round of 16
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Renta Tokuda(JPN) | 6-4, 6-4 | Philip Sekulic(AUS) | #458 | #491 | 01:30:00m |
| Oliver Crawford(GBR) | 6-3, 4-6, 6-4 | Hiroki Moriya(JPN) | #230 | #372 | 02:49:00m |
| Sanhui Shin(KOR) | 6-3, 6-1 | Fajing Sun(CHN) | #406 | #238 | 01:45:00m |
| Kokoro Isomura(JPN) | 3-6, 6-2, 7-6 | Jie Cui(CHN) | #480 | #289 | 03:09:00m |
| Ilia Simakin(RUS) | 6-4, 6-4 | Joshua Charlton(AUS) | #236 | #918 | 01:10:00m |
| Sho Shimabukuro(JPN) | 6-3, 6-4 | Filip Peliwo(POL) | #198 | #535 | 01:15:00m |
| Yasutaka Uchiyama(JPN) | 6-2, 6-4 | Tsung-Hao Huang(TPE) | #225 | #550 | 01:15:00m |
| Kaichi Uchida(JPN) | 6-1, 7-6 | Rio Noguchi(JPN) | #579 | #219 | 01:29:00m |
Round of 32
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Philip Sekulic(AUS) | 6-1, 1-6, 7-6 | Bernard Tomic(AUS) | #491 | #168 | 02:20:00m |
| Renta Tokuda(JPN) | 5-7, 6-3, 6-3 | Alexandr Binda(ITA) | #458 | #378 | 02:09:00m |
| Hiroki Moriya(JPN) | 6-2, 4-6, 6-4 | Denis Yevseyev(KAZ) | #372 | #317 | 02:02:00m |
| Oliver Crawford(GBR) | 6-3, 6-2 | Masamichi Imamura(JPN) | #230 | #421 | 01:33:00m |
| Fajing Sun(CHN) | 3-6, 6-3, 6-4 | Ye Cong Mo(CHN) | #238 | #718 | 02:18:00m |
| Sanhui Shin(KOR) | 7-5, 7-6 | Woobin Shin(KOR) | #406 | #475 | 02:22:00m |
| Kokoro Isomura(JPN) | 6-3, 6-2 | Sergey Fomin(UZB) | #480 | #483 | 01:11:00m |
| Jie Cui(CHN) | 5-7, 7-6, 6-0 | Arthur Gea(FRA) | #289 | #247 | 02:49:00m |
| Ilia Simakin(RUS) | 6-4, 7-6 | Tung-Lin Wu(TPE) | #236 | #275 | 01:42:00m |
| Joshua Charlton(AUS) | 6-4, 6-7, 6-4 | Rigele Te(CHN) | #918 | #549 | 02:42:00m |
| Filip Peliwo(POL) | 6-1, 6-2 | Petr Bar Biryukov(RUS) | #535 | #322 | 00:58:00m |
| Sho Shimabukuro(JPN) | 6-4, 3-6, 6-2 | James Watt(NZL) | #198 | #584 | 01:55:00m |
| Yasutaka Uchiyama(JPN) | 6-2, 5-7, 6-1 | Yuta Kikuchi(JPN) | #225 | #636 | 02:12:00m |
| Tsung-Hao Huang(TPE) | 6-1, 6-7, 3-2 | Kaito Uesugi(JPN) | #550 | #961 | 01:45:00m |
| Kaichi Uchida(JPN) | 7-6, 6-3 | Luca Castelnuovo(SUI) | #579 | #486 | 01:52:00m |
| Rio Noguchi(JPN) | 7-6, 6-1 | Linang Xiao(CHN) | #219 | #642 | 01:47:00m |
2nd Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Yuta Kikuchi(JPN) | 6-4, 6-3 | Charles Chen(CHN) | #636 | #1132 | 01:32:00m |
| Kaito Uesugi(JPN) | 6-2, 6-3 | James Watt(NZL) | #961 | #584 | 01:03:00m |
| Joshua Charlton(AUS) | 7-6, 5-7, 6-4 | Akira Santillan(JPN) | #918 | #516 | 02:16:00m |
| Filip Peliwo(POL) | 6-4, 6-0 | Hanyi Liu(CHN) | #535 | #1131 | 01:12:00m |
| Tsung-Hao Huang(TPE) | 6-2, 6-4 | JiSung Nam(KOR) | #550 | #761 | 01:00:00m |
| Kaichi Uchida(JPN) | 6-4, 6-2 | Takeru Yuzuki(JPN) | #579 | #1452 | 01:06:00m |
1st Round Qualifying
| Winner | Score | Loser | W Rank | L Rank | Duration |
|---|---|---|---|---|---|
| Charles Chen(CHN) | 1-6, 6-4, 4-0 | Kasidit Samrej(THA) | #1132 | #346 | 01:40:00m |
| Yuta Kikuchi(JPN) | 6-3, 7-5 | Naoki Tajima(JPN) | #636 | #1608 | 01:26:00m |
| James Watt(NZL) | 6-3, 6-4 | Seita Watanabe(JPN) | #584 | #1212 | 01:28:00m |
| Joshua Charlton(AUS) | 6-4, 1-0 | Ajeet Rai(NZL) | #918 | #538 | 01:08:00m |
| Akira Santillan(JPN) | 6-3, 6-1 | Yaojie Zeng(CHN) | #516 | #887 | 01:27:00m |
| Filip Peliwo(POL) | 6-2, 6-1 | Aoran Wang(CHN) | #535 | #1079 | 00:53:00m |
| Hanyi Liu(CHN) | 6-3, 6-2 | Yusuke Kusuhara(JPN) | #1131 | #771 | 01:21:00m |
| Tsung-Hao Huang(TPE) | 6-3, 6-4 | Shunsuke Nakagawa(JPN) | #550 | #1020 | 01:13:00m |
| JiSung Nam(KOR) | 6-4 | Niki Kaliyanda Poonacha(IND) | #761 | #1466 | 00:42:00m |
| Kaichi Uchida(JPN) | 6-1, 6-3 | Qian Sun(CHN) | #579 | #972 | 01:30:00m |
| Takeru Yuzuki(JPN) | 6-3, 3-6, 6-2 | Mitsuki Wei Kang Leong(MAS) | #1452 | #638 | 01:35:00m |
Past Winners
| Year | Winner | Country | Surface |
|---|---|---|---|
| 2025 | Sho Shimabukuro | JPN | Hard |
| 2024 | Yasutaka Uchiyama | JPN | Hard |
| 2023 | Terence Atmane | FRA | Hard |
| 2019 | Marc Polmans | AUS | Hard |
| 2018 | Yasutaka Uchiyama | JPN | Hard |
| 2017 | Jason Jung | TPE | Hard |