19‑Dec‑2022 | M15 Tauranga | Hard | R16 | 773 | 1872 | (Q)Derek Pham [AUS] d. (7)Sumizawa | 6-4 6-1 | | | | | | | | | |
19‑Dec‑2022 | M15 Tauranga | Hard | R32 | 773 | 1040 | (7)Sumizawa d. Finn Reynolds [NZL] | 6-2 1-6 6-3 | | | | | | | | | |
12‑Dec‑2022 | M15 Wellington | Hard | QF | 777 | 514 | (1)Ajeet Rai [NZL] d. (5)Sumizawa | 6-3 5-7 6-1 | | | | | | | | | |
12‑Dec‑2022 | M15 Wellington | Hard | R16 | 777 | | (5)Sumizawa d. (WC)Corban Crowther [NZL] | 6-4 6-1 | | | | | | | | | |
12‑Dec‑2022 | M15 Wellington | Hard | R32 | 777 | | (5)Sumizawa d. (Q)Rob Reynolds [NZL] | 4-6 7-5 6-1 | | | | | | | | | |
21‑Nov‑2022 | Yokkaichi CH | Hard | Q1 | 783 | 550 | (7)Yuki Mochizuki [JPN] d. (Alt)Sumizawa | 6-2 5-7 6-3 | | 0.82 | 4.7% | 4.7% | 48.2% | 68.3% | 40.9% | 1/7 | 1:53 |
31‑Oct‑2022 | Yokohama CH | Hard | Q2 | 780 | 964 | Taisei Ichikawa [JPN] d. (12)Sumizawa | 2-6 6-4 6-2 | | 0.86 | 2.0% | 3.0% | 51.5% | 62.7% | 56.3% | 8/11 | 2:09 |
31‑Oct‑2022 | Yokohama CH | Hard | Q1 | 780 | 1651 | (12)Sumizawa d. (Alt)Seiya Nakanishi [JPN] | 6-3 6-0 | | 1.43 | 3.1% | 0.0% | 59.4% | 68.4% | 38.5% | 9/11 | 1:26 |
17‑Oct‑2022 | Busan CH | Hard | Q1 | 781 | 419 | (10)Naoki Nakagawa [JPN] d. Sumizawa | 6-7(4) 6-4 6-1 | | 0.77 | 2.2% | 2.2% | 58.7% | 66.7% | 47.4% | 4/9 | 2:18 |
29‑Aug‑2022 | M25 Sapporo | Hard | QF | 783 | 677 | (7)Shuichi Sekiguchi [JPN] d. Sumizawa | 7-6(3) 7-6(1) | | | | | | | | | |
29‑Aug‑2022 | M25 Sapporo | Hard | R16 | 783 | 447 | Sumizawa d. (2)Shintaro Imai [JPN] | 6-2 2-6 6-1 | | | | | | | | | |
29‑Aug‑2022 | M25 Sapporo | Hard | R32 | 783 | 804 | Sumizawa d. Keisuke Saitoh [JPN] | 7-5 3-6 6-4 | | | | | | | | | |
1‑Aug‑2022 | M15 Kuching | Hard | R32 | 753 | 1028 | (Q)Ji Hoon Son [KOR] d. Sumizawa | 6-1 6-2 | | | | | | | | | |
25‑Jul‑2022 | M15 Kuala Lumpur | Hard | R32 | 1056 | 1083 | Kazuma Kawachi [JPN] d. Sumizawa | 4-6 7-5 6-3 | | | | | | | | | |
18‑Jul‑2022 | M15 Seremban | Hard | F | 1065 | 727 | Sumizawa d. (3)Shinji Hazawa [JPN] | 6-0 6-2 | | | | | | | | | |
18‑Jul‑2022 | M15 Seremban | Hard | SF | 1065 | 844 | Sumizawa d. (6)Uisung Park [KOR] | 6-3 7-6(2) | | | | | | | | | |
18‑Jul‑2022 | M15 Seremban | Hard | QF | 1065 | 941 | Sumizawa d. (7)Kento Takeuchi [JPN] | 6-1 6-4 | | | | | | | | | |
18‑Jul‑2022 | M15 Seremban | Hard | R16 | 1065 | 813 | Sumizawa d. (4)Jie Cui [CHN] | 7-6(4) 6-2 | | | | | | | | | |
18‑Jul‑2022 | M15 Seremban | Hard | R32 | 1065 | | Sumizawa d. (LL)Dheeraj Kodancha Srinivasan [IND] | 6-3 6-3 | | | | | | | | | |
6‑Jun‑2022 | M15 Budva | Clay | R16 | 1034 | 789 | Ivan Liutarevich [BLR] d. Sumizawa | 5-7 7-6(8) 6-1 | | | | | | | | | |
6‑Jun‑2022 | M15 Budva | Clay | R32 | 1034 | 922 | Sumizawa d. Dostanbek Tashbulatov [KAZ] | 7-5 6-1 | | | | | | | | | |
30‑May‑2022 | M15 Budva | Clay | R32 | 1071 | 955 | (Q)Lorenzo Joaquin Rodriguez [ARG] d. (Q)Sumizawa | 3-6 6-3 7-6(2) | | | | | | | | | |
23‑May‑2022 | M15 Ulcinj | Clay | R16 | 1071 | 826 | Ivan Liutarevich [BLR] d. Sumizawa | 2-6 6-4 7-6(4) | | | | | | | | | |
23‑May‑2022 | M15 Ulcinj | Clay | R32 | 1071 | 839 | Sumizawa d. Viktor Jovic [SRB] | 6-4 2-6 6-1 | | | | | | | | | |
16‑May‑2022 | M25 Ulcinj | Clay | R16 | 1100 | 496 | (6)Samuel Vincent Ruggeri [ITA] d. Sumizawa | 6-3 6-3 | | | | | | | | | |
16‑May‑2022 | M25 Ulcinj | Clay | R32 | 1100 | 1702 | Sumizawa d. (WC)Matija Samardzic [MNE] | 6-4 6-2 | | | | | | | | | |
9‑May‑2022 | M15 Ulcinj | Clay | R16 | 1073 | | Branko Djuric [SRB] d. Sumizawa | 6-2 6-3 | | | | | | | | | |
9‑May‑2022 | M15 Ulcinj | Clay | R32 | 1073 | 1341 | Sumizawa d. Olivier Rojas [BEL] | 7-5 6-0 | | | | | | | | | |
4‑Apr‑2022 | M15 Chiang Rai | Hard | R32 | 1093 | 466 | (2)Ji Sung Nam [KOR] d. Sumizawa | 6-0 6-0 | | | | | | | | | |
28‑Mar‑2022 | M25 Canberra | Clay | R32 | 1134 | 206 | (1)Jason Kubler [AUS] d. Sumizawa | 6-4 7-6(4) | | | | | | | | | |
21‑Mar‑2022 | M25 Canberra | Clay | R32 | 1134 | 588 | James Mccabe [AUS] d. Sumizawa | 7-5 7-6(6) | | | | | | | | | |
14‑Mar‑2022 | M15 Bengaluru | Hard | R16 | 1144 | 662 | (4)Manish Sureshkumar [IND] d. (Q)Sumizawa | 6-3 7-6(3) | | | | | | | | | |
14‑Mar‑2022 | M15 Bengaluru | Hard | R32 | 1144 | 1030 | (Q)Sumizawa d. Nicolas Tepmahc [FRA] | 6-1 7-5 | | | | | | | | | |
7‑Mar‑2022 | M15 Bhopal | Hard | R32 | 1144 | 585 | (2)Sidharth Rawat [IND] d. Sumizawa | 6-4 6-7(5) 6-1 | | | | | | | | | |