Thantub Suksumrarn
2019
| JB1 SEOGWIPO | [16] | 3R |
| J2 CHUNCHEON | 1R | |
| J2 NONTHABURI | [3] | Semi |
| J1 NANJING | [6] | 2R |
| J3 CHENGDU | [1] | Semi |
| J1 SARAWAK | [7] | 3R |
| J1 NONTHABURI | [7] | Quarter |
| AUSTRALIAN OPEN JUNIOR | 1R | |
| J1 TRARALGON | 1R |
2018
| J2 NONTHABURI | [3] | Win |
| J2 BEIJING | 2R | |
| J3 GUANGZHOU | [5] | Quarter |
| J1 NANJING | [7] | 2R |
| J4 JAKARTA-2 | [1] | Win |
| J3 CHENGDU | 2R | |
| J4 CHENGDU | [14] | Semi |
Nation
THA
World Ranking
ATP Ranking　960th
Year-end Junior World Ranking
- Year-end 2019 174th
- Year-end 2018 89th
Rival
hanwen li (1-2)
pengyu lu (1-1)
yunchaokete bu (0-2)
shaoyun liu (1-1)
Match Details
2019 JB1 SEOGWIPO
| W | 1R | Jae Myeong Lee | 6-3 6-1 |
| W | 2R | Hong-Lin Fu | 6-3 3-6 6-4 |
| L | 3R | Hanwen Li | 4-6 4-6 |
2019 J2 CHUNCHEON
| L | 1R | Gian Luca Tanner | 4-6 2-6 |
2019 J2 NONTHABURI
| W | 2R | Kai Shiang Yang | 6-3 6-3 |
| W | 3R | Carl Emil Overbeck | 6-4 6-0 |
| W | QF | Jin Gu | 6-2 6-3 |
| L | SF | Jean Marc Malkowski | 6-7 6-4 4-6 |
2019 J1 NANJING
| L | 2R | Pengyu Lu | 4-6 7-6 3-6 |
2019 J3 CHENGDU
| W | 1R | Qing Lihao | 6-4 6-1 |
| W | 2R | Philip Sekulic | 6-2 3-6 6-3 |
| W | QF | Pengyu Lu | 6-4 6-2 |
| L | SF | Hanwen Li | 6-4 3-6 4-6 |
2019 J1 SARAWAK
| W | 2R | Kokoro Isomura | 6-3 2-6 6-1 |
| L | 3R | Xiaofei Wang | 6-3 3-6 2-6 |
2019 J1 NONTHABURI
2019 AUSTRALIAN OPEN JUNIOR
| L | 1R | Luciano Darderi | 7-5 6-7 2-6 |
2019 J1 TRARALGON
| L | 1R | Tyler Zink | 2-6 2-6 |
2018 J2 NONTHABURI
| W | 2R | Bikramjeet Singh Chawla | 6-0 6-1 |
| W | 3R | Kamil Kozlowski | 6-0 6-4 |
| W | QF | Dev Javia | 7-6 7-5 |
| W | SF | Siddhant Banthia | 6-3 7-5 |
| W | F | Digvijay Pratap Singh | 6-1 7-6 |
2018 J2 BEIJING
| W | 1R | Boren Zheng | 6-4 6-3 |
| L | 2R | Yunchaokete Bu | 0-6 5-7 |
2018 J3 GUANGZHOU
| W | 1R | Hanwen Li | 6-4 6-2 |
| W | 2R | Wai Yu Kai | 6-4 |
| L | QF | Yunchaokete Bu | 1-6 3-6 |
2018 J1 NANJING
| L | 2R | Yamato Sueoka | 2-6 6-0 1-6 |
2018 J4 JAKARTA-2
| W | 1R | Richard Halim Jayasaputra | 6-0 6-2 |
| W | 2R | Dmitri Satyadeva Sugiarta | 6-1 6-1 |
| W | 3R | Kaiyo Teshima | 7-6 6-3 |
| W | QF | Odeda Muhammad Arazza | 6-2 6-3 |
| W | SF | Ari Fahresi | 7-5 6-4 |
| W | F | Ryoma Matsushita | 6-2 6-3 |
2018 J3 CHENGDU
| W | 1R | Zhan Zheng | 6-3 6-3 |
| L | 2R | Shaoyun Liu | 6-7 7-6 3-6 |
2018 J4 CHENGDU
| W | 1R | Xiao Shi | 6-2 6-2 |
| W | 2R | Guanglin Wen | 6-0 6-3 |
| W | 3R | Shaoyun Liu | 6-3 6-4 |
| W | QF | Bohua Dong | 2-6 6-0 6-3 |
| L | SF | Xinmu Zhou | 5-7 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 14267, Number of registered players: 7,286, Number of registered results: 428,395