 Australia: Australian Open - Singles - Qualification |
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| Quarter-finals | Hontama M. | Sharma A. | 1:2 (6:3, 3:6, 4:6) | details | 07.01.2025 |
 New Zealand: Auckland - Singles - Main |
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| 1/16-finals | Montgomery R. | Hontama M. | 2:1 (6:3, 2:6, 6:0) | details | 31.12.2024 |
| New Zealand: Auckland - Singles - Qualification |
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| Final | Hontama M. | Friedsam A-L. | 1:2 (6:4, 5:7, 64:7) | details | 29.12.2024 |
| Semi-finals | Hontama M. | Burillo Escorihuela I. | 2:0 (6:1, 6:2) | details | 28.12.2024 |
 China: Jiujiang - Singles - Main |
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| 1/16-finals | Hontama M. | Wei S. | 1:2 (2:6, 6:3, 1:6) | details | 29.10.2024 |
 Japan: Tokyo - Singles - Main |
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| 1/16-finals | Gracheva V. | Hontama M. | 2:0 (6:1, 7:64) | details | 21.10.2024 |
| Japan: Tokyo - Singles - Qualification |
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| Final | Hontama M. | Shimizu A. | 2:1 (3:6, 6:3, 6:4) | details | 20.10.2024 |
| Semi-finals | Hontama M. | Kato M. | 2:0 (6:3, 6:3) | details | 19.10.2024 |
| Japan: Osaka - Singles - Main |
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| 1/16-finals | Mertens E. | Hontama M. | 2:0 (6:1, 6:1) | details | 15.10.2024 |
| China: Wuhan - Singles - Main |
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| 1/32-finals | Hontama M. | Frech M. | 0:2 (0:6, 4:6) | details | 07.10.2024 |
| China: Wuhan - Singles - Qualification |
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| Final | Hontama M. | Bogdan A. | 2:0 (6:3, 7:63) | details | 06.10.2024 |
| Semi-finals | You X. | Hontama M. | 1:2 (6:3, 3:6, 0:6) | details | 05.10.2024 |
| Semi-finals | Kessler M. | Hontama M. | CAN. | details | 05.10.2024 |
| China: Beijing - Singles - Main |
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| 1/64-finals | Hontama M. | Wang Xin. | 0:2 (1:6, 3:6) | details | 25.09.2024 |
| China: Beijing - Singles - Qualification |
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| Final | Rodionova Ar. | Hontama M. | 2:0 (7:5, 6:0) | details | 24.09.2024 |
| Semi-finals | Lansere S. | Hontama M. | 0:0 RET. (0:3) | details | 23.09.2024 |
 Thailand: Hua Hin 2 - Singles - Main |
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| Quarter-finals | Hontama M. | Hartono A. | 1:2 (6:4, 2:6, 3:6) | details | 20.09.2024 |
| 1/8-finals | Hontama M. | Tararudee L. | 2:1 (2:6, 6:4, 6:1) | details | 19.09.2024 |
| 1/16-finals | Yastremska D. | Hontama M. | 0:2 (64:7, 5:7) | details | 17.09.2024 |
 Tunisia: Monastir - Singles - Main |
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| 1/8-finals | Hontama M. | Kartal S. | 0:2 (2:6, 2:6) | details | 11.09.2024 |
| 1/16-finals | Nugroho P. M. | Hontama M. | 0:2 (2:6, 1:6) | details | 09.09.2024 |
 South Korea: W100 Incheon - Singles - Main |
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| 1/16-finals | Hontama M. | Liang E. S. | 1:2 (6:1, 4:6, 3:6) | details | 03.09.2024 |
 USA: US Open - Singles - Qualification |
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| Semi-finals | Hontama M. | Aiava D. | 0:2 (3:6, 4:6) | details | 21.08.2024 |
| Quarter-finals | Hontama M. | Tikhonova A. | 2:1 (3:6, 7:5, 6:1) | details | 20.08.2024 |
| USA: W100 Cary, NC - Singles - Main |
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| 1/16-finals | Stefanini L. | Hontama M. | 2:1 (6:4, 5:7, 6:4) | details | 13.08.2024 |
| USA: W100 Landisville, PA - Singles - Main |
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| 1/16-finals | Hontama M. | Starodubtseva Y. | 0:2 (3:6, 0:6) | details | 07.08.2024 |
 Poland: Warsaw - Singles - Main |
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| 1/8-finals | Kung L. | Hontama M. | 2:1 (6:3, 3:6, 6:3) | details | 24.07.2024 |
| 1/16-finals | Raina A. | Hontama M. | 0:2 (5:7, 2:6) | details | 22.07.2024 |
 Portugal: W75 Porto 2 - Singles - Main |
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| 1/16-finals | Hontama M. | Knutson G. | 0:2 (3:6, 4:6) | details | 17.07.2024 |
| Portugal: W50 Corroios-Seixal - Singles - Main |
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| Quarter-finals | Hontama M. | Knutson G. | 0:2 (1:6, 2:6) | details | 12.07.2024 |
| 1/8-finals | Hontama M. | Inglis M. | 2:0 (6:2, 6:1) | details | 11.07.2024 |
| 1/16-finals | Hontama M. | Tian F. | 2:1 (7:69, 4:6, 6:2) | details | 09.07.2024 |
 France: W75 Montpellier - Singles - Main |
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| 1/16-finals | Hontama M. | Teichmann J. | 0:2 (2:6, 3:6) | details | 02.07.2024 |
 United Kingdom: Wimbledon - Singles - Qualification |
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| Quarter-finals | Hontama M. | Sonmez Z. | 0:2 (2:6, 1:6) | details | 25.06.2024 |
| United Kingdom: W100 Ilkley - Singles - Main |
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| 1/16-finals | Banks A. | Hontama M. | 2:0 (6:1, 6:2) | details | 19.06.2024 |
| France: French Open - Singles - Qualification |
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| Semi-finals | Hontama M. | Dinu C. | 0:0 RET. (2:5) | details | 22.05.2024 |
| Quarter-finals | Hontama M. | Zhao C. | 2:1 (7:5, 5:7, 7:5) | details | 21.05.2024 |
 Spain: W100 Madrid - Singles - Main |
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| 1/8-finals | Hontama M. | Todoni A. A. | 1:2 (3:6, 6:3, 3:6) | details | 16.05.2024 |
| 1/16-finals | Hesse A. | Hontama M. | 0:2 (2:6, 3:6) | details | 15.05.2024 |
 Slovakia: W75 Trnava 2 - Singles - Main |
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| 1/8-finals | Hontama M. | Gjorcheska L. | 0:2 (3:6, 1:6) | details | 09.05.2024 |
| 1/16-finals | Hontama M. | Zelnickova R. | 2:0 (6:1, 6:2) | details | 08.05.2024 |
India: W100 Bengaluru - Singles - Main