Results
| Challenger Yokohama | 11/23 03:00 | 29 |
[288] Kaichi Uchida v
Rei Sakamoto
[176] 
|
6-4,6-7,4-6 | |
| Challenger Yokohama | 11/22 05:55 | 28 | [288] Kaichi Uchida v Igor Marcondes [469] | 6-4,6-2 | |
| Challenger Yokohama | 11/21 04:15 | 27 |
[158] Kei Nishikori
v
Kaichi Uchida [288] |
2-6,2-6 | |
| Challenger Yokohama | 11/20 02:00 | 26 | [406] Ryotaro Taguchi v Kaichi Uchida [288] | 5-7,4-6 | |
| Challenger Yokohama | 11/18 04:55 | 25 | [366] Hyeon Chung v Kaichi Uchida [288] | 3-6,0-6 | |
| Challenger Kobe | 11/15 06:35 | 28 |
[309] Kaichi Uchida v
Elias Ymer
[191] 
|
4-6,6-4,3-6 | |
| Challenger Kobe | 11/14 09:15 | 27 |
[309] Kaichi Uchida v
Sho Shimabukuro
[147] 
|
Retired | |
| Challenger Kobe | 11/13 04:00 | 26 | [193] Marta Bellucco v Kaichi Uchida [309] | 7-6,3-6,4-6 | |
| Challenger Kobe | 11/11 06:10 | 25 | [309] Kaichi Uchida v Yusuke Takahashi [428] | 4-6,6-3,6-4 | |
| Challenger Taipei | 11/07 06:40 | 27 |
[113] James Duckworth
v
Kaichi Uchida [328] |
6-3,7-6 | |
| Challenger Taipei | 11/06 03:00 | 26 |
[328] Kaichi Uchida v
Yuta Shimizu
[255] 
|
6-1,6-2 | |
| Challenger Taipei | 11/04 02:00 | 25 | Mukund Sasikumar v Kaichi Uchida | 6-7,2-6 |
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
Uchida reached the top 150 on 24 April 2023.