Kotaro Mochizuki is 58–42 in 2026 across 18 tournaments, winning 5 titles. Career: 117–75 (60.9%) with 10 titles.
2026 Record
58–42
58.0% win rate
2026 Titles
5
18 events played
Career Record
117–75
10 titles
Career High
—
Kotaro Mochizuki's 2026 season
| Tournament | Surface | Result | W–L | Dates |
|---|---|---|---|---|
| UTR PTT Saitama Men 10 | hard | 3rd | 4–2 | Sep 30 |
| UTR PTT Saitama Men 09 | hard | 3rd | 3–3 | Sep 22 |
| UTR PTT Saitama Men 08 | hard | 3rd | 4–2 | Aug 31 |
| UTR PTT Saitama Men 07 | hard | Won | 3–3 | Aug 10 |
| UTR PTT Saitama Men 06 | hard | Won | 4–2 | Aug 3 |
| UTR PTT Saitama Men 05 | hard | 3rd | 1–5 | Jul 13 |
| UTR PTT Skopje Men 02 | clay | SF | 1–4 | Jun 15 |
| UTR PTT Glyfada Men 01 | clay | Won | 2–4 | Jun 9 |
| UTR PTT Hyogo Men 02 | hard | 3rd | 3–2 | Jun 1 |
| UTR PTT Hyogo Men 01 | hard | 3rd | 3–2 | May 18 |
| UTR PTT Yokohama Men 05 | hard | 3rd | 3–2 | Apr 20 |
| UTR PTT Saitama Men 03 | hard | F | 5–1 | Mar 9 |
Showing 12 of 18 2026 tournaments.
2026 serve & return
Service points won
56.2%
No. 622 of 684
Return points won
41.9%
Aces per match
0.8
Break points saved
51.7%
Members
Kotaro Mochizuki ranks in the 23th percentile on serve. See every split.
Full career history back to their first tour match, surface and opponent splits, rivalries, per-match serve and return numbers, percentile ratings and the custom model.
Frequently asked questions about Kotaro Mochizuki
How old is Kotaro Mochizuki?
Kotaro Mochizuki is 24 years old, born January 7, 2002.
Where is Kotaro Mochizuki from?
Kotaro Mochizuki represents Japan.
What is Kotaro Mochizuki's career record?
Kotaro Mochizuki has a career singles record of 117–75 (60.9%) with 10 titles from 13 finals.
How is Kotaro Mochizuki doing in 2026?
Kotaro Mochizuki is 58–42 in 2026 with 5 titles from 18 tournaments.
Who did Kotaro Mochizuki play last?
Kotaro Mochizuki lost to Ryotero Matsumura at UTR PTT Saitama Men 10 on October 4, 2026.
Stats updated daily · 2026 season through October 4, 2026