 USA: W100 Tyler - Singles - Main |
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| 1/16-finals | Kratzer A. | Davis L. | 1:2 (7:69, 3:6, 1:6) | details | 23.10.2024 |
| USA: W75 Rancho Santa Fe, CA - Singles - Main |
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| 1/8-finals | Tararudee L. | Kratzer A. | 2:1 (6:3, 5:7, 6:0) | details | 03.10.2024 |
| 1/16-finals | Kratzer A. | Branstine C. | 2:1 (6:4, 4:6, 7:5) | details | 01.10.2024 |
| USA: W35 San Rafael, CA - Singles - Main |
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| Final | Kratzer A. | Anderson R. | 0:2 (66:7, 2:6) | details | 22.09.2024 |
| Semi-finals | Day K. | Kratzer A. | 0:2 (2:6, 3:6) | details | 21.09.2024 |
| Quarter-finals | Shymanovich I. | Kratzer A. | 0:2 (3:6, 1:6) | details | 20.09.2024 |
| 1/8-finals | Kratzer A. | Corley P. | 2:0 (6:3, 7:5) | details | 19.09.2024 |
| 1/16-finals | Kratzer A. | Ansari C. | 2:0 (6:0, 6:3) | details | 18.09.2024 |
| USA: W75 Evansville, IN - Singles - Main |
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| 1/8-finals | Sakatsume H. | Kratzer A. | 2:0 (6:3, 6:4) | details | 18.07.2024 |
| 1/16-finals | Penickova A. | Kratzer A. | 1:2 (0:6, 7:5, 64:7) | details | 17.07.2024 |
| USA: W60 Charleston, SC - Singles - Main |
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| 1/16-finals | Talbi S. | Kratzer A. | 2:0 (6:3, 7:5) | details | 02.10.2019 |
| USA: Templeton - Singles - Main |
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| 1/16-finals | Lepchenko V. | Kratzer A. | 2:0 (6:0, 6:2) | details | 26.09.2019 |
 Canada: Vancouver - Singles - Main |
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| 1/8-finals | Kratzer A. | Fernandez L. | 0:1 RET. (2:6, 0:4) | details | 16.08.2019 |
| 1/16-finals | Kratzer A. | Jovic J. | 2:0 (6:1, 6:4) | details | 14.08.2019 |
| USA: San Jose - Singles - Qualification |
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| Semi-finals | Wang Xiy. | Kratzer A. | 2:0 (6:3, 6:1) | details | 27.07.2019 |
 Germany: Nurnberg - Singles - Qualification |
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| Semi-finals | Niemeier J. | Kratzer A. | 2:0 (6:1, 6:4) | details | 18.05.2019 |
| USA: W100 Bonita Springs, FL - Singles - Main |
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| 1/8-finals | Cepede V. | Kratzer A. | 2:0 (6:3, 7:68) | details | 09.05.2019 |
| 1/16-finals | Kratzer A. | Kalinina A. | 1:0 RET. (6:4) | details | 07.05.2019 |
 China: An-Ning - Singles - Main |
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| 1/8-finals | McPhee K. | Kratzer A. | 2:0 (6:4, 6:2) | details | 24.04.2019 |
| 1/16-finals | Kratzer A. | Han X.Y. | 2:1 (1:6, 6:1, 6:2) | details | 23.04.2019 |
 Mexico: Monterrey - Singles - Qualification |
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| Quarter-finals | Kratzer A. | Kato M. | 1:2 (64:7, 6:2, 3:6) | details | 30.03.2019 |
| USA: Indian Wells - Singles - Qualification |
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| Semi-finals | Kratzer A. | Baindl K. | 0:2 (4:6, 1:6) | details | 04.03.2019 |
| USA: W100 Midland - Singles - Main |
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| 1/16-finals | Kratzer A. | Gauff C. | 1:2 (66:7, 7:66, 4:6) | details | 29.01.2019 |
| USA: W80 Macon, GA - Singles - Main |
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| 1/16-finals | Kratzer A. | Lepchenko V. | 0:2 (1:6, 3:6) | details | 24.10.2018 |
| USA: Stockton - Singles - Main |
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| 1/8-finals | Brengle M. | Kratzer A. | 2:0 (6:3, 6:1) | details | 04.10.2018 |
| 1/16-finals | Elie J. | Kratzer A. | 0:2 (3:6, 1:6) | details | 04.10.2018 |
| 1/16-finals | Muhammad A. | Kratzer A. | CAN. | details | 03.10.2018 |
| USA: Templeton - Singles - Main |
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| 1/16-finals | Kratzer A. | Brengle M. | 0:2 (4:6, 1:6) | details | 25.09.2018 |
| USA: US Open - Singles - Qualification |
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| Quarter-finals | Golubic V. | Kratzer A. | 2:0 (6:4, 7:5) | details | 22.08.2018 |
| USA: San Jose - Singles - Main |
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| 1/8-finals | Kratzer A. | Mertens E. | 0:2 (2:6, 0:6) | details | 01.08.2018 |
| 1/16-finals | Kratzer A. | Riske-Amritraj A. | 2:1 (6:4, 4:6, 7:5) | details | 31.07.2018 |
| USA: Berkeley - Singles - Main |
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| Semi-finals | Kratzer A. | Gibbs N. | 0:2 (4:6, 2:6) | details | 21.07.2018 |
| Quarter-finals | Kratzer A. | Ahn K. | 2:1 (6:4, 2:6, 6:1) | details | 20.07.2018 |
| 1/8-finals | Kratzer A. | Lao D. | 2:1 (5:7, 6:4, 7:67) | details | 19.07.2018 |
| 1/16-finals | Min G. | Kratzer A. | 0:2 (4:6, 4:6) | details | 18.07.2018 |
| USA: Honolulu - Singles - Main |
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| 1/16-finals | Pegula J. | Kratzer A. | 2:1 (3:6, 6:0, 6:2) | details | 12.07.2018 |
| USA: W100 Charleston, SC - Singles - Main |
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| 1/8-finals | Brengle M. | Kratzer A. | 2:1 (5:7, 6:4, 6:3) | details | 03.05.2018 |
| 1/16-finals | Kratzer A. | Mateas M. | 2:0 (6:2, 6:4) | details | 02.05.2018 |
| USA: Charlottesville - Singles - Main |
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| 1/8-finals | Karatantcheva S. | Kratzer A. | 2:0 (6:2, 7:65) | details | 26.04.2018 |
| 1/16-finals | Kratzer A. | Cabrera L. | 2:1 (4:6, 6:3, 6:4) | details | 26.04.2018 |
| USA: Dothan - Singles - Main |
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| 1/8-finals | Townsend T. | Kratzer A. | 2:0 (6:4, 7:60) | details | 19.04.2018 |
| 1/16-finals | Kratzer A. | Kalinina A. | 2:0 (6:2, 6:4) | details | 17.04.2018 |
| Mexico: Monterrey - Singles - Qualification |
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| Quarter-finals | Kratzer A. | Sizikova Y. | 1:2 (6:3, 1:6, 3:6) | details | 31.03.2018 |
| USA: Indian Wells - Singles - Qualification |
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| Final | Kratzer A. | Vickery S. | 0:2 (5:7, 1:6) | details | 06.03.2018 |
| Semi-finals | Baindl K. | Kratzer A. | 0:2 (4:6, 1:6) | details | 05.03.2018 |
| USA: Indian Wells - Singles - Main |
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| 1/16-finals | Hsieh S-W. | Kratzer A. | 2:0 (6:4, 7:5) | details | 27.02.2018 |
| USA: W80 Tyler, TX - Singles - Main |
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| Quarter-finals | Kratzer A. | Collins D. | 0:2 (5:7, 1:6) | details | 03.11.2017 |