| Challenger Busan | 05/08 04:30 | 19 | 우치야마, 야스타카 v 손, 지훈 | 7-6,3-6,6-1 | |
| Challenger Busan | 05/07 08:45 | 14 | 우치야마, 야스타카 v 김, 영석 | 6-3,6-1 | |
| Challenger Seoul | 04/29 06:00 | 28 | [242] 윤차오케트, 부 v 우치야마, 야스타카 [277] | 7-6,6-4 | |
| Challenger Seoul | 04/28 02:00 | 27 | [277] 우치야마, 야스타카 v 쿠들라, 다니스 [146] | 6-3,4-6,6-1 | |
| Challenger Seoul | 04/27 04:55 | 26 | [102] 덕워스, 제임스 v 우치야마, 야스타카 [277] | 4-6,2-6 | |
| Challenger Seoul | 04/26 03:50 | 25 | [381] Mukund, S. v 우치야마, 야스타카 [277] | 4-6,7-6,0-6 | |
| Challenger Seoul | 04/24 03:35 | 19 | [277] 우치야마, 야스타카 v 켈리, 다인 [343] | 7-6,1-6,6-3 | |
| Challenger Seoul | 04/23 04:30 | 14 | 우치야마, 야스타카 v 김, 영석 | 6-1,6-0 | |
| ITF M25 Tsukuba | 03/28 06:00 | 25 | 우치야마, 야스타카 v 토쿠다, 렌타 | Retired | |
| Pune, India | 02/28 05:00 | 25 | [284] 우치야마, 야스타카 v 나갈, 수미트 [387] | 6-7,6-4,4-6 | |
| Challenger Bengaluru | 02/21 12:25 | 25 | [358] 므페트시 페리카드, 기오바니 v 우치야마, 야스타카 [285] | 6-7,6-4,6-4 | |
| Challenger Bengaluru | 02/20 08:10 | 19 | [285] 우치야마, 야스타카 v 므페트시 페리카드, 기오바니 [358] | 5-7,1-6 | |
| Challenger Bengaluru | 02/19 09:30 | 14 | [305] 우치야마, 야스타카 v 라마나단, 람쿠마르 [415] | 3-6,7-5,6-3 | |
| Challenger Chennai | 02/17 05:30 | 27 | [219] 모레노 드 알보란, 니콜라스 v 우치야마, 야스타카 [305] | 6-3,6-4 | |
| Challenger Chennai | 02/15 05:00 | 26 | [305] 우치야마, 야스타카 v 스블시나, 달리보르 [187] | 6-1,6-7,6-4 | |
| Challenger Chennai | 02/13 08:30 | 25 | [273] 폴만스, 마르크 v 우치야마, 야스타카 [305] | 4-6,6-7 | |
| Challenger Manama | 02/12 08:00 | 14 | 우치야마, 야스타카 v 우스기, 카이토 | Cancelled | |
| Challenger Burnie | 01/30 03:40 | 25 | [302] 우치야마, 야스타카 v 판쿠트, 토마스 [496] | 6-3,6-7,5-7 | |
| Challenger Nonthaburi | 01/15 03:00 | 14 | [307] 우치야마, 야스타카 v 가이오, 페데리코 [421] | Cancelled | |
| Challenger Nonthaburi | 01/11 07:00 | 26 | [346] 돈스코이, 에브게니 v 우치야마, 야스타카 [307] | 6-4,7-6 | |
| Challenger Nonthaburi | 01/10 03:55 | 25 | [307] 우치야마, 야스타카 v 주크, 카크펠 [243] | 6-2,6-1 | |
| Challenger Nonthaburi | 01/04 06:20 | 26 | [184] 우, 퉁린 v 우치야마, 야스타카 [320] | 6-7,7-5,6-4 | |
| Challenger Nonthaburi | 01/02 06:40 | 25 | [320] 우치야마, 야스타카 v Jones, Maximus [438] | 6-4,6-4 | |
| Challenger Yokkaichi | 11/22 01:00 | 25 | 우치야마, 야스타카 v 리, 호앙 남 | Cancelled | |
| Challenger Kobe | 11/15 03:50 | 25 | [284] 시마부쿠로, 소 v 우치야마, 야스타카 [318] | Retired | |
| Challenger Matsuyama | 11/07 03:05 | 25 | [172] 우치다, 카이치 v 우치야마, 야스타카 [317] | 6-3,7-6 | |
| ATP Tokyo | 10/03 09:00 | 25 | [19] 티아포에, 프란세스 v 우치야마, 야스타카 [314] | 6-3,6-4 | |
| Challenger Columbus | 09/20 15:55 | 25 | 우치야마, 야스타카 v 디알로, 가브리엘 | Cancelled | |
| Challenger Cary | 09/16 20:00 | 27 | [154] 모흐, 미켈 v 우치야마, 야스타카 [307] | 6-3,3-6,6-3 | |
| Challenger Cary | 09/15 20:00 | 26 | [307] 우치야마, 야스타카 v 코즐로브, 스테판 [110] | Retired |
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.