| Challenger Charlottesville | 10/27 19:10 | 45 | [279] Kaichi Uchida v Takanyi Garanganga [473] | 3-6,6-4,6-7 | |
| Challenger Las Vegas | 10/20 18:35 | 45 | Kaichi Uchida v Dayne Kelly | 3-6,3-6 | |
| Challenger Calgary | 10/16 16:00 | 25 | [299] Mathias Bourgue v Kaichi Uchida [283] | 6-7,6-2,6-2 | |
| Challenger Fairfield | 10/06 17:00 | 45 | [437] Pablo Vivero Gonzalez v Kaichi Uchida [289] | 6-3,2-6,6-3 | |
| Challenger Stockton | 10/04 18:45 | 26 |
[106] Jordan Thompson
v
Kaichi Uchida [289] |
4-6,6-3,6-1 | |
| Challenger Stockton | 10/02 20:00 | 25 |
[289] Kaichi Uchida v
Tommy Paul
[313] 
|
6-1,6-7,6-0 | |
| Challenger Tiburon | 09/22 18:20 | 45 | [432] Pablo Vivero Gonzalez v Kaichi Uchida [273] | 4-6,6-4,6-4 | |
| Challenger Columbus | 09/20 16:55 | 26 |
[111] Jordan Thompson
v
Kaichi Uchida [273] |
6-1,7-6 | |
| Challenger Columbus | 09/18 19:35 | 25 | [241] Roberto Cid Subervi v Kaichi Uchida [273] | 6-7,6-7 | |
| Challenger Cary | 09/15 16:00 | 28 |
[143] Reilly Opelka
v
Kaichi Uchida [288] |
6-3,6-4 | |
| Challenger Cary | 09/13 16:00 | 27 | [288] Kaichi Uchida v Jose Hernandez-Fernandez [283] | 6-4,6-3 | |
| Challenger Cary | 09/12 20:15 | 26 | [264] Evan King v Kaichi Uchida [288] | 4-6,3-6 | |
| Challenger Cary | 09/10 18:00 | 25 | [228] Roberto Cid Subervi v Kaichi Uchida [288] | 3-6,1-6 | |
| Challenger Chicago | 09/06 19:15 | 26 | [128] Ruben Bemelmans v Kaichi Uchida [299] | 6-3,6-4 | |
| Challenger Chicago | 09/05 19:15 | 25 | [299] Kaichi Uchida v Thai-Son Kwiatkowski [383] | 6-1,6-3 | |
| Challenger Chicago | 09/03 17:20 | 54 | [299] Kaichi Uchida v Sekou Bangoura [364] | 6-7,4-6 | |
| Challenger Chicago | 09/02 22:00 | 46 | [299] Kaichi Uchida v Frederik Nielsen [67] | 6-3,6-4 | |
| Challenger Vancouver | 08/12 19:00 | 46 |
Kaichi Uchida v
Borna Gojo
|
6-7,6-3,6-7 | |
| Challenger Aptos | 08/08 22:30 | 26 |
[268] Thanasi Kokkinakis
v
Kaichi Uchida [296] |
7-5,6-0 | |
| Challenger Aptos | 08/06 18:00 | 25 | [252] Stefan Kozlov v Kaichi Uchida [296] | 4-6,1-6 | |
| Challenger Lexington | 08/02 16:55 | 26 | [208] Lloyd Harris v Kaichi Uchida [309] | 6-4,6-4 | |
| Challenger Lexington | 07/31 22:40 | 25 | [309] Kaichi Uchida v Dayne Kelly [330] | 6-2,6-4 | |
| Challenger Granby | 07/24 15:35 | 25 | [300] Kaichi Uchida v Norbert Gombos [182] | 1-6,4-6 | |
| Challenger Gatineau | 07/17 16:45 | 25 |
[306] Kaichi Uchida v
Jason Kubler
[114] 
|
1-6,2-6 | |
| Challenger Winnipeg | 07/13 16:35 | 27 | [319] Lucas Miedler v Kaichi Uchida [308] | 7-6,6-4 | |
| Challenger Winnipeg | 07/12 16:45 | 26 | [308] Kaichi Uchida v Filip Peliwo [181] | 6-7,6-1,6-2 | |
| Challenger Winnipeg | 07/11 15:00 | 25 | [337] Renta Tokuda v Kaichi Uchida [308] | 5-7,5-7 | |
| ITF Spain F16 | 06/28 18:55 | 27 |
Kaichi Uchida v
Denis Yevseyev
|
2-6,6-3,4-6 | |
| ITF Spain F16 | 06/27 21:05 | 26 | Kaichi Uchida v Andres F Canovas | 7-6,6-1 | |
| ITF Spain F16 | 06/25 16:00 | 25 | Kaichi Uchida v Ivan Marrero Curbelo | 6-3,7-6 |
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 No. 147 achieved on 8 May 2023. He also has a career high ATP doubles ranking of No. 159 achieved on 28 November 2022.
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.