| Challenger Zhuhai | 03/07 10:25 | 26 | [282] Kaichi Uchida v Danilo Petrovic [291] | 7-6,3-6,6-4 | |
| Challenger Zhuhai | 03/06 10:50 | 25 |
[210] Marc Polmans
v
Kaichi Uchida [282] |
2-6,4-6 | |
| Challenger Zhuhai | 03/04 07:10 | 24 | [282] Kaichi Uchida v Goncalo Oliveira [288] | 6-3,7-6 | |
| Challenger Yokohama | 02/26 06:05 | 25 | [203] Blaz Rola v Kaichi Uchida [282] | 7-6,6-4 | |
| Challenger Yokohama | 02/25 02:30 | 24 | [274] Kaichi Uchida v Roy Smith [329] | 6-3,6-3 | |
| Challenger Bangkok 1A | 02/19 05:55 | 25 |
[274] Kaichi Uchida v
Marc Polmans
[217]
|
2-6,5-7 | |
| Challenger Bangkok 1A | 02/18 07:10 | 24 | [268] EHOME.X v Kaichi Uchida [274] | 3-6,1-6 | |
| Challenger Dallas | 02/04 21:50 | 24 | [352] Jared Hiltzik v Kaichi Uchida [270] | 6-2,4-6,7-5 | |
| Challenger Cleveland | 01/29 18:10 | 24 |
[335] Maxime Cressy
v
Kaichi Uchida [269] |
4-6,6-3,7-5 | |
| Challenger Newport Beach | 01/24 18:00 | 26 | [171] Darian King v Kaichi Uchida [287] | 6-3,4-6,6-4 | |
| Challenger Newport Beach | 01/23 19:55 | 25 | [287] Kaichi Uchida v Peter Polansky [118] | 0-6,6-3,7-6 | |
| Challenger Newport Beach | 01/22 19:45 | 24 | [318] Evan Song v Kaichi Uchida [287] | 6-7,2-6 | |
| Challenger Koblenz | 01/18 11:00 | 27 |
[233] Tallon Griekspoor
v
Kaichi Uchida [287] |
6-3,7-5 | |
| Challenger Koblenz | 01/17 11:40 | 26 | [202] Adam Pavlasek v Kaichi Uchida [287] | 2-6,6-3,6-7 | |
| Challenger Koblenz | 01/16 14:00 | 25 | [287] Kaichi Uchida v Arthur De Greef [199] | 7-6,6-4 | |
| Challenger Koblenz | 01/15 17:00 | 24 | [287] Kaichi Uchida v Bernabe Zapata Miralles [272] | 0-6,6-2,7-5 | |
| Challenger Columbus | 01/07 16:40 | 24 | [325] Vincent Millot v Kaichi Uchida [282] | 6-4,6-4 | |
| Challenger Orlando | 12/31 15:00 | 24 | [282] Kaichi Uchida v Evan Song [320] | 1-6,2-6 | |
| Australian Open WC | 12/01 04:15 | 28 | [283] Kaichi Uchida v Zhang Ze [220] | 4-6,1-6 | |
| Australian Open WC | 11/30 05:20 | 27 |
Kaichi Uchida v
Yu Hsiou Hsu
|
6-2,6-2 | |
| Australian Open WC | 11/28 03:35 | 26 |
[283] Kaichi Uchida v
Tung-Lin Wu
[479] 
|
7-6,5-7,7-6 | |
| Challenger Champaign | 11/14 21:15 | 26 |
[285] Kaichi Uchida v
Reilly Opelka
[116] 
|
7-6,4-6,6-7 | |
| Challenger Champaign | 11/12 17:35 | 25 |
Sebastian Korda
v
Kaichi Uchida |
5-7,7-6,4-6 | |
| 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 |
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.