Results
| ITF M25 Sapporo | 09/06 01:00 | - | [470] Takuya Kumasaka v Kaichi Uchida [180] | 4-6,6-7 | |
| ITF M25 Sapporo | 09/05 02:30 | - | [423] Yusuke Takahashi v Kaichi Uchida [180] | 2-6,2-6 | |
| ITF M25 Sapporo | 09/04 03:15 | - | Kosuke Ogura v Kaichi Uchida | 3-6,4-6 | |
| ITF M25 Sapporo | 09/03 04:00 | - | [352] Taisei Ichikawa v Kaichi Uchida [180] | 4-6,6-7 | |
| Challenger Zhangjiagang | 08/29 08:00 | 27 |
[225] Yasutaka Uchiyama
v
Kaichi Uchida [180] |
6-3,6-4 | |
| Challenger Zhangjiagang | 08/28 08:00 | 26 | [180] Kaichi Uchida v Rio Noguchi [219] | 6-1,7-6 | |
| Challenger Zhangjiagang | 08/26 13:55 | 25 | [486] Luca Castelnuovo v Kaichi Uchida [180] | 6-7,3-6 | |
| Challenger Zhangjiagang | 08/25 11:15 | 19 | Kaichi Uchida v Takeru Yuzuki | 6-4,6-2 | |
| Challenger Zhangjiagang | 08/24 02:00 | 14 | Kaichi Uchida v Qian Sun | 6-1,6-3 | |
| ITF M25 Bali | 08/13 03:00 | - | Kaichi Uchida v Yanki Erel | 1-6,2-6 | |
| ITF M25 Bali | 08/06 01:30 | - |
[183] Kaichi Uchida v
Matthew Dellavedova
[423] 
|
6-7,6-7 | |
| ITF M15 Nakhon Pathom | 08/03 02:00 | - | Kaichi Uchida v Soonwoo Kwon | 2-6,2-6 |
Wikipedia - Kaichi Uchida
Kaichi Uchida (内田 海智, Uchida Kaichi; born 23 August 1994) is a Japanese professional tennis player.
Uchida has a career high ATP singles ranking of world No. 147 achieved on 8 May 2023. He also has a career high ATP doubles ranking of No. 156 achieved on 16 June 2025.
History
2021: Maiden Challenger title
He won his first career ATP Challenger Tour singles title in December 2021 in Rio de Janeiro, Brazil where he defeated Nicolás Álvarez Varona of Spain.
2022: ATP debut and first win
He made his ATP debut at the 2022 Los Cabos Open as a qualifier.
Having received a wildcard, he recorded his first ATP main-draw match win at the Korea Open defeating wildcard Hong Seong-chan.
2023: Top 150 debut
He reached the top 150 on 24 April 2023.
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