| Challenger - Seul | 10/11 04:05 | 25 | [163] Kaichi Uchida v Li Tu [292] | 4-6,0-6 | |
| ATP - Tóquio | 10/04 02:00 | 25 | [78] Mackenzie McDonald v Kaichi Uchida [155] | 7-6,6-7,6-3 | |
| ATP - Seul | 09/29 03:00 | 26 | [163] Kaichi Uchida v Cameron Norrie [8] | 2-6,2-6 | |
| ATP - Seul | 09/26 10:00 | 25 | [471] Seong Chan Hong v Kaichi Uchida [163] | 4-6,2-6 | |
| ATP - Seul | 09/24 02:00 | 14 | [161] Kaichi Uchida v Hiroki Moriya [259] | Cancelled | |
| Challenger - Cassis | 09/09 11:00 | 27 | [119] Hugo Grenier v Kaichi Uchida [168] | 6-4,7-6 | |
| Challenger - Cassis | 09/07 10:25 | 26 | [224] Evan Furness v Kaichi Uchida [168] | 4-6,1-6 | |
| Challenger - Cassis | 09/05 15:25 | 25 | [499] Clement Chidekh v Kaichi Uchida [168] | 6-4,3-6,4-6 | |
| Challenger - Maiorca | 08/31 15:20 | 25 | [232] Dmitry Popko v Kaichi Uchida [168] | 5-7,6-4,6-2 | |
| Open dos EUA | 08/25 23:10 | 15 | [106] Facundo Bagnis v Kaichi Uchida [169] | 6-2,6-3 | |
| Open dos EUA | 08/24 21:00 | 14 | Kaichi Uchida v Dudi Sela | 6-3,6-3 | |
| Challenger - Vancouver | 08/16 01:00 | 25 | [168] Kaichi Uchida v Elias Ymer [135] | 6-7,4-6 | |
| Challenger - Chicago | 08/10 20:40 | 25 | [189] Antoine Escoffier v Kaichi Uchida [169] | 7-6,6-3 | |
| ATP - Los Cabos | 08/03 02:40 | 25 | [175] Kaichi Uchida v Brandon Nakashima [61] | 6-7,2-6 | |
| ATP - Los Cabos | 08/01 03:25 | 19 | [177] Kaichi Uchida v Nicolas Barrientos [350] | 6-1,4-6,6-4 | |
| ATP - Los Cabos | 07/31 02:35 | 14 | [177] Kaichi Uchida v Matthew Ebden [33] | 6-2,6-2 | |
| Challenger - Winnipeg | 07/28 15:30 | 26 | [372] Evan Zhu v Kaichi Uchida [177] | 6-4,5-7,6-4 | |
| Challenger - Winnipeg | 07/25 20:25 | 25 | [266] Roberto Quiroz v Kaichi Uchida [177] | 1-6,7-6,3-6 | |
| Challenger - Porto | 07/08 12:00 | 27 | [203] Kaichi Uchida v Christopher O'Connell [108] | 4-6,2-6 | |
| Challenger - Porto | 07/06 14:05 | 26 | [365] Kenny de Schepper v Kaichi Uchida [203] | 5-7,3-6 | |
| Challenger - Porto | 07/04 13:15 | 25 | [203] Kaichi Uchida v Illya Marchenko [277] | 7-6,7-6 | |
| Challenger - Málaga | 06/30 12:00 | 26 | [151] Emilio Gomez v Kaichi Uchida [203] | 6-1,6-4 | |
| Challenger - Málaga | 06/28 13:05 | 25 | [195] Dmitry Popko v Kaichi Uchida [203] | 4-6,1-6 | |
| Challenger - Oeiras | 06/26 10:00 | 29 | [339] Kimmer Coppejans v Kaichi Uchida [258] | 2-6,4-6 | |
| Challenger - Oeiras | 06/25 09:00 | 28 | [258] Kaichi Uchida v Facundo Bagnis [110] | 7-5,7-6 | |
| Challenger - Oeiras | 06/24 09:00 | 27 | [258] Kaichi Uchida v Michael Geerts [262] | 4-6,6-1,6-4 | |
| Challenger - Oeiras | 06/22 09:00 | 26 | [258] Kaichi Uchida v Tobias Kamke [349] | Retired | |
| Challenger - Oeiras | 06/20 17:00 | 25 | [258] Kaichi Uchida v Louis Wessels [298] | 6-4,6-1 | |
| Challenger - Orlando | 06/07 20:55 | 25 | [267] Kaichi Uchida v Adrian Andreev [400] | 7-5,4-6,3-6 | |
| Challenger - Little Rock | 06/01 16:00 | 26 | Kaichi Uchida v Murphy Cassone | 4-6,3-6 |
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.
Uchida has won two Challengers and reached 14 ITF Futures singles finals, where he won the title on 8 occasions. Additionally, he has won one Challenger title and reached 17 ITF Futures doubles finals, and won the title 11 times.
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.