| Challenger - Busan | 05/11 03:55 | 26 | [240] Yasutaka Uchiyama v Rinky Hijikata [139] | 6-4,3-6,6-4 | |
| Challenger - Busan | 05/09 03:30 | 25 | Hyeon Chung v Yasutaka Uchiyama | 3-6,7-6,2-6 | |
| Challenger - Busan | 05/08 04:30 | 19 | Yasutaka Uchiyama v Ji Hoon Son | 7-6,3-6,6-1 | |
| Challenger - Busan | 05/07 08:45 | 14 | Yasutaka Uchiyama v Young Seok Kim | 6-3,6-1 | |
| Challenger - Seoul | 04/29 06:00 | 28 | [242] Bu Yunchaokete v Yasutaka Uchiyama [277] | 7-6,6-4 | |
| Challenger - Seoul | 04/28 02:00 | 27 | [277] Yasutaka Uchiyama v Denis Kudla [146] | 6-3,4-6,6-1 | |
| Challenger - Seoul | 04/27 04:55 | 26 | [102] James Duckworth v Yasutaka Uchiyama [277] | 4-6,2-6 | |
| Challenger - Seoul | 04/26 03:50 | 25 | [381] Mukund Sasikumar v Yasutaka Uchiyama [277] | 4-6,7-6,0-6 | |
| Challenger - Seoul | 04/24 03:35 | 19 | [277] Yasutaka Uchiyama v Dayne Kelly [343] | 7-6,1-6,6-3 | |
| Challenger - Seoul | 04/23 04:30 | 14 | Yasutaka Uchiyama v Young Seok Kim | 6-1,6-0 | |
| ITF - M25 Tsukuba | 03/28 06:00 | 25 | Yasutaka Uchiyama v Renta Tokuda | Retired | |
| Challenger - Pune | 02/28 05:00 | 25 | [284] Yasutaka Uchiyama v Sumit Nagal [387] | 6-7,6-4,4-6 | |
| Challenger - Bengaluru | 02/21 12:25 | 25 | [358] Giovanni M Perricard v Yasutaka Uchiyama [285] | 6-7,6-4,6-4 | |
| Challenger - Bengaluru | 02/20 08:10 | 19 | [285] Yasutaka Uchiyama v Giovanni M Perricard [358] | 5-7,1-6 | |
| Challenger - Bengaluru | 02/19 09:30 | 14 | [305] Yasutaka Uchiyama v Ramkumar Ramanathan [415] | 3-6,7-5,6-3 | |
| Challenger - Chennai | 02/17 05:30 | 27 | [219] Nicolas Moreno De Alboran v Yasutaka Uchiyama [305] | 6-3,6-4 | |
| Challenger - Chennai | 02/15 05:00 | 26 | [305] Yasutaka Uchiyama v Dalibor Svrcina [187] | 6-1,6-7,6-4 | |
| Challenger - Chennai | 02/13 08:30 | 25 | [273] Marc Polmans v Yasutaka Uchiyama [305] | 4-6,6-7 | |
| Challenger - Manama | 02/12 08:00 | 14 | Yasutaka Uchiyama v Kaito Uesugi | Cancelled | |
| Challenger - Burnie | 01/30 03:40 | 25 | [302] Yasutaka Uchiyama v Thomas Fancutt [496] | 6-3,6-7,5-7 | |
| Challenger - Nonthaburi | 01/15 03:00 | 14 | [307] Yasutaka Uchiyama v Federico Gaio [421] | Cancelled | |
| Challenger - Nonthaburi | 01/11 07:00 | 26 | [346] Evgeny Donskoy v Yasutaka Uchiyama [307] | 6-4,7-6 | |
| Challenger - Nonthaburi | 01/10 03:55 | 25 | [307] Yasutaka Uchiyama v Kacper Zuk [243] | 6-2,6-1 | |
| Challenger - Nonthaburi | 01/04 06:20 | 26 | [184] Tung-Lin Wu v Yasutaka Uchiyama [320] | 6-7,7-5,6-4 | |
| Challenger - Nonthaburi | 01/02 06:40 | 25 | [320] Yasutaka Uchiyama v Maximus Jones [438] | 6-4,6-4 | |
| Challenger - Yokkaichi | 11/22 01:00 | 25 | Yasutaka Uchiyama v Nam Hoang Ly | Cancelled | |
| Challenger - Kobe | 11/15 03:50 | 25 | [284] Sho Shimabukuro v Yasutaka Uchiyama [318] | Retired | |
| Challenger - Matsuyama | 11/07 03:05 | 25 | [172] Kaichi Uchida v Yasutaka Uchiyama [317] | 6-3,7-6 | |
| ATP - Tokyo | 10/03 09:00 | 25 | [19] Frances Tiafoe v Yasutaka Uchiyama [314] | 6-3,6-4 | |
| Challenger - Columbus | 09/20 15:55 | 25 | Yasutaka Uchiyama v Gabriel Diallo | Cancelled |
Wikipedia - Yasutaka Uchiyama
Yasutaka Uchiyama (内山 靖崇, Uchiyama Yasutaka, born 5 August 1992) is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 4 November 2019 and doubles ranking of No. 102 on 20 August 2018. He has won eight ITF Futures singles titles and reached the final of the Lexington Challenger in August 2015, losing to John Millman in three sets.
History
Juniors
As a junior Uchiyama compiled a win–loss record of 99–61 (and 77–56 in doubles), reaching as high as No. 12 in the combined world rankings in March 2010. He reached the final of the 2009 Australian Open Boys' Doubles with Mikhail Biryukov, losing to Francis Casey Alcantara and Hsieh Cheng-peng in the final.
2013
Uchiyama made his Davis Cup debut for Japan in February 2013, in the Asia/Oceania Zone Group I first round against Indonesia in Tokyo. In the 2014 Davis Cup World Group first round against Canada in Tokyo, he played the doubles rubber with partner Kei Nishikori, winning over Canadian pair Daniel Nestor and Frank Dancevic. Japan defeated Canada 4–1 to advance to the quarterfinals in the World Group for the first time ever.
2019: Best season: Major debut at Wimbledon and Top 100
He qualified on his seventh attempt at the 2019 Japan Open, his home tournament. As a result, he reached the top 100 at world No. 87 on 21 October 2019.
2024: Sixth Challenger, back to top 200
Ranked No. 241, following his sixth Challenger at the 2024 Busan Open he returned to the top 200 climbing more then 70 positions up in the top 170 on 15 April 2024.