Doubles | |
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2025 International Challenger Zhangjiagang | |
Champions | ![]() ![]() |
Runners-up | ![]() ![]() |
Score | 6–3, 6–7(8–10), [10–3] |
Kaichi Uchida and Takeru Yuzuki were the defending champions [1] but chose to defend their title with different partners. Uchida partnered Yusuke Kusuhara but lost in the quarterfinals to Luca Castelnuovo and Akira Santillan. Yuzuki partnered Nam Ji-sung but lost in the semifinals to Castelnuovo and Santillan.
Castelnuovo and Santillan won the title after defeating Petr Bar Biryukov and Alexandr Binda 6–3, 6–7(8–10), [10–3] in the final.
First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
1 | ![]() ![]() | 64 | 6 | [10] | |||||||||||||||||||||||
![]() ![]() | 77 | 2 | [8] | 1 | ![]() ![]() | 63 | 3 | ||||||||||||||||||||
Alt | ![]() ![]() | 3 | 6 | [10] | Alt | ![]() ![]() | 77 | 6 | |||||||||||||||||||
![]() ![]() | 6 | 4 | [5] | Alt | ![]() ![]() | 3 | 6 | [10] | |||||||||||||||||||
3 | ![]() ![]() | 5 | 6 | [10] | 3 | ![]() ![]() | 6 | 3 | [4] | ||||||||||||||||||
WC | ![]() ![]() | 7 | 3 | [8] | 3 | ![]() ![]() | 7 | 67 | [10] | ||||||||||||||||||
![]() ![]() | 7 | 77 | ![]() ![]() | 5 | 79 | [5] | |||||||||||||||||||||
![]() ![]() | 5 | 63 | Alt | ![]() ![]() | 3 | 710 | [3] | ||||||||||||||||||||
Alt | ![]() ![]() | 6 | 77 | Alt | ![]() ![]() | 6 | 68 | [10] | |||||||||||||||||||
![]() ![]() | 3 | 65 | Alt | ![]() ![]() | 77 | 6 | |||||||||||||||||||||
![]() ![]() | 79 | 2 | [10] | ![]() ![]() | 65 | 0 | |||||||||||||||||||||
4 | ![]() ![]() | 67 | 6 | [7] | Alt | ![]() ![]() | 1 | 7 | [12] | ||||||||||||||||||
![]() ![]() | 6 | 6 | 2 | ![]() ![]() | 6 | 5 | [10] | ||||||||||||||||||||
WC | ![]() ![]() | 3 | 4 | ![]() ![]() | 4 | 7 | [7] | ||||||||||||||||||||
![]() ![]() | 5 | 1 | 2 | ![]() ![]() | 6 | 5 | [10] | ||||||||||||||||||||
2 | ![]() ![]() | 7 | 6 |