 USA: M15 Ann Arbor, MI - Singles - Main |
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| 1/16-finals | Corwin F. | Kotzen A. | 2:1 | details | 02.10.2024 |
| USA: M15 Huntsville, AL - Singles - Main |
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| 1/16-finals | Baker C. | Kotzen A. | CAN. | details | 13.08.2024 |
| USA: M25 Southaven, MS - Singles - Main |
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| Quarter-finals | Kang K. | Kotzen A. | 1:1 RET. | details | 09.08.2024 |
| 1/8-finals | Kotzen A. | Sinha A. | 2:0 | details | 08.08.2024 |
| 1/16-finals | Chopra K. | Kotzen A. | 0:2 | details | 07.08.2024 |
| USA: M25 East Lansing, MI - Singles - Main |
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| Quarter-finals | Kotzen A. | Kim A. | 1:2 | details | 19.07.2024 |
| 1/8-finals | Kotzen A. | Young G. | 2:1 | details | 18.07.2024 |
| 1/16-finals | Wallart E. | Kotzen A. | 0:2 | details | 18.07.2024 |
 Canada: M25 Laval - Singles - Main |
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| 1/16-finals | Poling K. | Kotzen A. | 2:1 | details | 02.07.2024 |
| USA: M25 Tulsa, OK - Singles - Main |
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| Semi-finals | Kotzen A. | Tomic B. | 0:2 | details | 22.06.2024 |
| Quarter-finals | Ilagan A. | Kotzen A. | 0:2 | details | 21.06.2024 |
| 1/8-finals | Okonkwo O. | Kotzen A. | 0:2 | details | 20.06.2024 |
| 1/16-finals | Kotzen A. | Andrade A. | 0:0 RET. | details | 19.06.2024 |
| USA: M25 Wichita, KS - Singles - Main |
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| Quarter-finals | Kotzen A. | Quinn E. | 1:2 | details | 14.06.2024 |
| 1/8-finals | Pearson K. | Kotzen A. | 0:2 | details | 13.06.2024 |
| 1/16-finals | Kotzen N. I. | Kotzen A. | 0:2 | details | 12.06.2024 |
| Canada: Drummondville - Singles - Main |
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| 1/16-finals | Martin D. | Kotzen A. | 0:0 RET. | details | 15.11.2023 |
| Canada: Drummondville - Singles - Qualification |
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| Final | Pieczkowski O. | Kotzen A. | 0:2 | details | 13.11.2023 |
| Semi-finals | Horvat R. | Kotzen A. | 0:2 | details | 12.11.2023 |
| USA: Knoxville - Singles - Qualification |
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| Semi-finals | Kotzen A. | Boitan G. A. | 1:2 | details | 05.11.2023 |
| Canada: M25 Edmonton - Singles - Main |
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| 1/16-finals | Martin A. | Kotzen A. | 2:0 | details | 01.11.2023 |
| Canada: M25 Saint-Augustin - Singles - Main |
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| 1/8-finals | Dougaz A. | Kotzen A. | 2:0 | details | 26.10.2023 |
| 1/16-finals | Kotzen A. | Wallart E. | 2:0 | details | 24.10.2023 |
| USA: M25 Southaven, MS - Singles - Main |
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| 1/8-finals | Kotzen A. | Damm M. | 1:2 | details | 11.08.2023 |
| 1/16-finals | Ravichander I. | Kotzen A. | 0:2 | details | 09.08.2023 |
| USA: M25 Decatur, IL - Singles - Main |
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| 1/8-finals | Kotzen A. | Braswell J. | 1:2 | details | 03.08.2023 |
| 1/16-finals | Brumm J. | Kotzen A. | 0:2 | details | 03.08.2023 |
| USA: M15 Pittsburgh, PA - Singles - Main |
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| 1/8-finals | Kotzen A. | Kuzuhara B. | 1:2 | details | 27.07.2023 |
| 1/16-finals | Kotzen A. | Salle F. | 2:0 | details | 26.07.2023 |
| USA: M15 Lakewood, CA 2 - Singles - Main |
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| Quarter-finals | Kotzen A. | Ilagan A. | 1:2 | details | 14.07.2023 |
| 1/8-finals | Kotzen A. | McKennon M. | 2:0 | details | 13.07.2023 |
| 1/16-finals | Kumar O. | Kotzen A. | 0:2 | details | 12.07.2023 |