Matches (21-25) > Time Span: 2023        Stats:  Serve |  | 
DateTournamentSurfaceRdRkvRkScoreMoreDRA%DF%1stIn1st%2nd%BPSvdTime
18‑Dec‑2023M15 YanagawaHardR327001022(Q)Koki Matsuda [JPN]  (6)Sumizawa7-5 6-3
27‑Nov‑2023M25 Gold CoastHardR32690605(8)Matthew Dellavedova [AUS]  Sumizawa7-6(7) 6-4
20‑Nov‑2023M25 BrisbaneHardR326901011(Q)Emile Hudd [GBR]  Sumizawa6-2 6-2
9‑Oct‑2023M25 CairnsHardR16724315(1)Omar Jasika [AUS]  Sumizawa6-1 6-2
9‑Oct‑2023M25 CairnsHardR327241014Sumizawa  Taiyo Yamanaka [JPN]6-2 6-2
2‑Oct‑2023M25 CairnsHardQF724464(4)Ajeet Rai [NZL]  (8)Sumizawa4-6 7-5 6-2
2‑Oct‑2023M25 CairnsHardR16724844(8)Sumizawa  Kody Pearson [AUS]6-2 1-6 6-4
2‑Oct‑2023M25 CairnsHardR327241236(8)Sumizawa  (Q)Corban Crowther [NZL]7-6(9) 4-6 6-1
18‑Sep‑2023M25 TakasakiHardR16726394(1)Naoki Nakagawa [JPN]  Sumizawa7-5 6-4
18‑Sep‑2023M25 TakasakiHardR32726798Sumizawa  Takuya Kumasaka [JPN]6-0 1-0 RET
11‑Sep‑2023M25 SapporoHardR16876872Koki Matsuda [JPN]  Sumizawa6-0 7-6(3)
11‑Sep‑2023M25 SapporoHardR32876783Sumizawa  (8)Yunseok Jang [KOR]6-3 6-4
4‑Sep‑2023M25 SapporoHardF832621(4)Shuichi Sekiguchi [JPN]  Sumizawa6-1 6-4
4‑Sep‑2023M25 SapporoHardSF832744Sumizawa  (5)Sora Fukuda [JPN]6-4 6-4
4‑Sep‑2023M25 SapporoHardQF8321472Sumizawa  (Q)Ko Suzuki [JPN]7-5 6-2
4‑Sep‑2023M25 SapporoHardR168321175Sumizawa  (Q)Tomohiro Masabayashi [JPN]6-3 6-3
4‑Sep‑2023M25 SapporoHardR32832Sumizawa  (WC)Haruto Koyanagi [JPN]6-2 6-1
28‑Aug‑2023M25 Hong KongHardR32832783Egor Gerasimov [BLR]  (Q)Sumizawa4-6 6-3 7-5
31‑Jul‑2023M15 CaloundraHardQF874339(2)Luke Saville [AUS]  (7)Sumizawa6-4 6-4
31‑Jul‑2023M15 CaloundraHardR16874(7)Sumizawa  (WC)Jeremy Zhang [AUS]6-2 6-1
31‑Jul‑2023M15 CaloundraHardR328741025(7)Sumizawa  Taiyo Yamanaka [JPN]4-6 6-3 7-6(1)
24‑Jul‑2023M15 CaloundraHardQF728408(3)Thomas Fancutt [AUS]  (6)Sumizawa3-6 7-6(2) 6-3
24‑Jul‑2023M15 CaloundraHardR16728(6)Sumizawa  (Q)Luke Sorensen [AUS]6-4 6-3
24‑Jul‑2023M15 CaloundraHardR32728912(6)Sumizawa  Kazuki Nishiwaki [JPN]6-1 6-2
26‑Jun‑2023M15 JakartaHardR327371126(SE)Yurii Dzhavakian [UKR]  (7)Sumizawa2-6 6-4 6-2
19‑Jun‑2023M25 AnseongClayQF738858San Hui Sin [KOR]  (8)Sumizawa6-3 6-4
19‑Jun‑2023M25 AnseongClayR16738812(8)Sumizawa  Takuya Kumasaka [JPN]7-5 7-6(4)
19‑Jun‑2023M25 AnseongClayR327381443(8)Sumizawa  (Q)Ko Suzuki [JPN]7-5 6-3
12‑Jun‑2023M25 Nakhon Si ThammaratHardR16727598Orel Kimhi [ISR]  Sumizawa6-1 6-3
12‑Jun‑2023M25 Nakhon Si ThammaratHardR327271322Sumizawa  (Q)Arslanbek Aitkulov [KAZ]6-2 1-0 RET
5‑Jun‑2023M15 Nakhon Si ThammaratHardR327301060Maximus Jones [THA]  (8)Sumizawa6-1 6-2
29‑May‑2023M15 KaruizawaClayR167301069Sora Fukuda [JPN]  (4)Sumizawa6-3 6-4
29‑May‑2023M15 KaruizawaClayR327301231(4)Sumizawa  Taketo Takamisawa [JPN]6-2 6-4
8‑May‑2023Busan CHHardQ17291039(WC)Woobin Shin [KOR]  (Alt)Sumizawa2-6 6-3 6-20.943.9%6.5%57.1%68.2%54.5%5/82:01
1‑May‑2023Gwangju CHHardQ1724271(2)Daniel Masur [GER]  (Alt)Sumizawa6-0 6-40.363.2%6.3%54.0%55.9%44.8%4/81:03
3‑Apr‑2023M25 KashiwaHardR16737351(7)Yunseong Chung [KOR]  Sumizawa6-2 6-2
3‑Apr‑2023M25 KashiwaHardR327371472Sumizawa  (Q)Ryotaro Taguchi [JPN]7-6(3) 6-7(3) 7-6(2)
27‑Mar‑2023M25 TsukubaHardR16728318(6)Hiroki Moriya [JPN]  Sumizawa7-5 6-1
27‑Mar‑2023M25 TsukubaHardR32728522Sumizawa  Makoto Ochi [JPN]1-6 7-5 6-4
20‑Mar‑2023M25 CanberraClayR327281170Jordan Smith [CAN]  Sumizawa6-4 7-6(5)
13‑Mar‑2023M25 CanberraClayR32724255(1)Dane Sweeny [AUS]  Sumizawa7-6(4) 6-4
6‑Feb‑2023M25 BurnieHardR32711596Luke Saville [AUS]  Sumizawa6-3 6-4
30‑Jan‑2023Burnie CHHardR32747319(7)Hiroki Moriya [JPN]  (Q)Sumizawa6-3 6-30.761.9%1.9%72.2%46.2%46.7%2/71:29
30‑Jan‑2023Burnie CHHardQ27471023(3)Sumizawa  (8)Derek Pham [AUS]6-4 3-6 6-31.071.1%3.4%59.1%63.5%38.9%4/102:33
30‑Jan‑2023Burnie CHHardQ17471304(3)Sumizawa  (Alt)Zaharije Zak Talic [AUS]6-2 6-41.648.7%8.7%60.9%78.6%61.1%2/31:12
2‑Jan‑2023Noumea CHHardQ2747990(9)Jeremy Jin [AUS]  (2)Sumizawa6-7(2) 6-3 7-50.976.9%10.0%46.2%70.0%50.0%11/163:22
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