| Challenger Oeiras | 04/17 12:30 | 25 | [160] Kaichi Uchida v Joris De Loore [196] | 6-4,7-6 | |
| Challenger Split | 04/11 10:30 | 25 | [112] Radu Albot v Kaichi Uchida [160] | 6-1,7-5 | |
| Challenger Murcia | 04/03 16:10 | 25 | [162] Kaichi Uchida v Marc Polmans [239] | 4-6,6-7 | |
| Challenger Sanremo | 03/27 11:50 | 25 | [129] Alexandre Muller v Kaichi Uchida [159] | 1-6,6-3,6-3 | |
| ATP Miami | 03/20 18:50 | 14 | [82] Cristian Garin v Kaichi Uchida [159] | 6-4,6-4 | |
| Challenger Pau | 03/04 14:40 | 28 | [172] Kaichi Uchida v Ugo Humbert [89] | 1-6,2-6 | |
| Challenger Pau | 03/03 18:50 | 27 | [167] Laurent Lokoli v Kaichi Uchida [172] | 4-6,6-3,3-6 | |
| Challenger Pau | 03/02 20:00 | 26 | [263] Ricardas Berankis v Kaichi Uchida [172] | 2-6,5-7 | |
| Challenger Pau | 03/01 18:25 | 25 | [172] Kaichi Uchida v Arthur Fils [104] | 7-6,6-1 | |
| Challenger Rovereto | 02/25 17:00 | 28 | [195] Kaichi Uchida v Giulio Zeppieri [127] | 5-7,2-6 | |
| Challenger Rovereto | 02/24 13:15 | 27 | [134] Jurij Rodionov v Kaichi Uchida [195] | 6-7,6-2,3-6 | |
| Challenger Rovereto | 02/22 09:00 | 26 | [227] Peter Gojowczyk v Kaichi Uchida [195] | 6-1,1-6,6-7 | |
| Challenger Rovereto | 02/20 16:40 | 25 | [267] Filip C Jianu v Kaichi Uchida [195] | Retired | |
| Challenger Manama | 02/14 08:00 | 25 | [108] Francesco Passaro v Kaichi Uchida [195] | 6-1,6-4 | |
| Davis Kupa | 02/05 01:00 | 45 | Kaichi Uchida v Maks Kasnikowski | 6-2,7-5 | |
| Challenger Ottignies | 01/27 19:30 | 27 | [338] Gauthier Onclin v Kaichi Uchida [198] | 6-3,6-3 | |
| Challenger Ottignies | 01/26 13:35 | 26 | [198] Kaichi Uchida v Jozef Kovalík [137] | 7-6,6-1 | |
| Challenger Ottignies | 01/25 11:05 | 25 | [198] Kaichi Uchida v Alibek Kachmazov [331] | 6-4,6-4 | |
| Challenger Ottignies | 01/25 10:35 | 25 | Kaichi Uchida v Jan-Lennard Struff | Cancelled | |
| Challenger Tenerife | 01/18 11:15 | 26 | [198] Kaichi Uchida v Francesco Passaro [120] | 3-6,1-6 | |
| Challenger Tenerife | 01/16 15:30 | 25 | [198] Kaichi Uchida v Benoit Paire [172] | 7-6,3-6,6-3 | |
| Ausztrál Open | 01/09 03:55 | 14 | [232] Gastao Elias v Kaichi Uchida [197] | 6-7,7-6,6-1 | |
| Challenger Noumea | 01/02 09:35 | 25 | [197] Kaichi Uchida v Ryan Peniston [167] | 7-6,4-6,2-6 | |
| Challenger Yokkaichi | 11/26 02:00 | 28 | [165] Kaichi Uchida v Frederico Ferreira Silva [244] | 2-6,2-6 | |
| Challenger Yokkaichi | 11/25 01:30 | 27 | [165] Kaichi Uchida v Sho Shimabukuro [284] | 4-6,6-2,7-5 | |
| Challenger Yokkaichi | 11/24 01:30 | 26 | [165] Kaichi Uchida v Shinji Hazawa [316] | 6-3,6-4 | |
| Challenger Yokkaichi | 11/22 05:15 | 25 | [165] Kaichi Uchida v Prajnesh Gunneswaran [347] | 6-3,1-6,6-3 | |
| Challenger Kobe | 11/15 01:00 | 25 | [161] Kaichi Uchida v Ramkumar Ramanathan [289] | 4-6,6-4,3-6 | |
| Challenger Matsuyama | 11/11 01:00 | 27 | [169] Kaichi Uchida v Tung-Lin Wu [204] | 6-7,7-6,4-6 | |
| Challenger Matsuyama | 11/09 01:00 | 26 | [169] Kaichi Uchida v Sho Shimabukuro [289] | 7-5,7-6 |
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.
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.