 World: Davis Cup - World Group I - Singles - Main |
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| | Kasnikowski M. | Kwon S. | CAN. | details | 14.09.2024 |
| | Majchrzak K. | Kwon S. | 0:2 (5:7, 63:7) | details | 13.09.2024 |
 USA: US Open - Singles - Main |
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| 1/64-finals | Popyrin A. | Kwon S. | 3:0 (7:5, 6:2, 6:3) | details | 26.08.2024 |
 Germany: Hamburg - Singles - Main |
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| 1/16-finals | Kwon S. | Marterer M. | 1:2 (4:6, 7:66, 5:7) | details | 15.07.2024 |
 United Kingdom: Wimbledon - Singles - Main |
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| 1/64-finals | Rune H. | Kwon S. | 3:0 (6:1, 6:4, 6:4) | details | 02.07.2024 |
 France: French Open - Singles - Main |
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| 1/32-finals | Korda S. | Kwon S. | 3:1 (6:4, 6:4, 1:6, 6:3) | details | 30.05.2024 |
| 1/64-finals | Ruusuvuori E. | Kwon S. | 0:3 (3:6, 4:6, 3:6) | details | 27.05.2024 |
 Tunisia: Tunis - Singles - Qualification |
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| Semi-finals | Skatov T. | Kwon S. | 2:0 (6:4, 6:3) | details | 12.05.2024 |
 South Korea: Busan - Singles - Main |
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| Semi-finals | Kwon S. | Hong S. C. | WO. | details | 13.04.2024 |
| Quarter-finals | Harris L. | Kwon S. | 0:2 (65:7, 5:7) | details | 12.04.2024 |
| 1/8-finals | Kachmazov A. | Kwon S. | 0:2 (4:6, 3:6) | details | 10.04.2024 |
| 1/16-finals | Kwon S. | Bellucci M. | 2:0 (6:4, 6:3) | details | 09.04.2024 |
| USA: Miami - Singles - Main |
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| 1/32-finals | De Minaur A. | Kwon S. | 2:0 (6:3, 6:2) | details | 24.03.2024 |
| 1/64-finals | Muller A. | Kwon S. | 0:2 (63:7, 3:6) | details | 21.03.2024 |
| USA: Indian Wells - Singles - Qualification |
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| Semi-finals | Kwon S. | Hong S. C. | 0:2 (3:6, 3:6) | details | 04.03.2024 |
| Semi-finals | Kwon S. | Watanuki Y. | CAN. | details | 04.03.2024 |
| World: Davis Cup - World Group - Singles - Qualification |
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| | Pospisil V. | Kwon S. | CAN. | details | 04.02.2024 |
| | Diallo G. | Kwon S. | 2:0 (6:4, 6:4) | details | 02.02.2024 |
 Australia: Australian Open - Singles - Main |
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| 1/64-finals | Kwon S. | Klein L. | 1:3 (60:7, 6:4, 63:7, 3:6) | details | 16.01.2024 |
 Asia: Asian Games - Singles - Main |
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| 1/16-finals | Kwon S. | Samrej K. | 1:2 (3:6, 7:5, 4:6) | details | 25.09.2023 |
| World: Davis Cup - World Group - Singles - Main |
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| | Davidovich Fokina A. | Kwon S. | 2:0 (6:4, 6:4) | details | 17.09.2023 |
| | Lehecka J. | Kwon S. | 2:0 (6:1, 7:5) | details | 14.09.2023 |
| | Djere L. | Kwon S. | 2:1 (4:6, 6:2, 6:2) | details | 12.09.2023 |
 Turkey: Istanbul - Singles - Main |
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| 1/16-finals | Kwon S. | Hardt N. | 0:2 (0:6, 1:6) | details | 04.09.2023 |
| USA: US Open - Singles - Main |
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| 1/64-finals | Kwon S. | Eubanks C. | 1:3 (3:6, 4:6, 6:0, 4:6) | details | 28.08.2023 |
 United Arab Emirates: Dubai - Singles - Main |
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| 1/16-finals | Ruusuvuori E. | Kwon S. | CAN. | details | 27.02.2023 |
 Qatar: Doha - Singles - Main |
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| 1/8-finals | Davidovich Fokina A. | Kwon S. | 2:0 (6:3, 6:2) | details | 22.02.2023 |
| 1/16-finals | Shelbayh A. | Kwon S. | 1:2 (3:6, 6:3, 4:6) | details | 21.02.2023 |
 Netherlands: Rotterdam - Singles - Main |
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| 1/16-finals | Kwon S. | Zverev A. | 0:2 (4:6, 64:7) | details | 14.02.2023 |
| World: Davis Cup - World Group - Singles - Qualification |
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| | Kwon S. | Goffin D. | 2:1 (3:6, 6:1, 6:3) | details | 05.02.2023 |
| | Kwon S. | Bergs Z. | 1:2 (6:1, 4:6, 66:7) | details | 04.02.2023 |
| Australia: Australian Open - Singles - Main |
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| 1/64-finals | Eubanks C. | Kwon S. | 3:2 (6:3, 61:7, 6:3, 4:6, 6:4) | details | 16.01.2023 |
| Australia: Adelaide - Singles - Main |
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| Final | Bautista-Agut R. | Kwon S. | 1:2 (4:6, 6:3, 64:7) | details | 14.01.2023 |
| Semi-finals | Draper J. | Kwon S. | 1:2 (66:7, 7:62, 3:6) | details | 13.01.2023 |
| Quarter-finals | Ymer M. | Kwon S. | 0:2 (1:6, 2:6) | details | 12.01.2023 |
India: New Delhi - Doubles - Main