| WTA Lugano | 04/07 10:30 | 45 | [403] Leonie Kung v Antonia Lottner [178] | 0-6,1-6 | |
| ITF W60 Croissy-Beaubourg | 03/27 19:30 | 26 | [106] Vitalia Diatchenko v Antonia Lottner [181] | 6-1,6-3 | |
| ITF W60 Croissy-Beaubourg | 03/26 12:55 | 25 | [185] Lesley Kerkhove v Antonia Lottner [181] | 7-6,4-6,6-7 | |
| ITF W25 Macon | 02/28 09:00 | 26 | [180] Antonia Lottner v Myrtille Georges [240] | 7-6,3-6,6-7 | |
| ITF W25 Macon | 02/27 09:00 | 25 | [180] Antonia Lottner v Mariam Bolkvadze [315] | 6-3,6-2 | |
| ITF W25 Altenkirchen | 02/20 18:00 | 25 | [180] Antonia Lottner v Laura-Ioana Andrei [421] | 4-6,2-6 | |
| ITF W60 Shrewsbury | 02/12 10:00 | 25 | [159] Arina Rodionova v Antonia Lottner [184] | 1-6,7-6,6-4 | |
| ITF W60 Andrezieux-Boutheon | 01/24 11:00 | 26 | [193] Antonia Lottner v Audrey Albie [341] | 3-6,4-6 | |
| ITF W60 Andrezieux-Boutheon | 01/23 14:00 | 25 | [181] Katarina Zavatska v Antonia Lottner [193] | 4-6,4-6 | |
| Australian Open femminili | 01/11 03:05 | 46 | [195] Antonia Lottner v Anna Kalinskaya [167] | 6-7,3-6 | |
| Australian Open femminili | 01/10 04:55 | 45 | [195] Antonia Lottner v Nadia Podoroska [304] | 6-2,6-3 | |
| Australian Open femminili | 01/09 02:45 | 44 | [115] Nao Hibino v Antonia Lottner [195] | 2-6,4-6 | |
| WTA Lussemburgo | 10/13 07:30 | 45 | [144] Antonia Lottner v Rebecca Sramkova [235] | 6-2,4-6,4-6 | |
| WTA Linz | 10/07 08:00 | 45 | [99] Anna Blinkova v Antonia Lottner [146] | 6-4,3-6,6-4 | |
| WTA Tokyo | 09/16 05:15 | 46 | [11] Gabriela Dabrowski v Antonia Lottner [156] | 6-3,6-2 | |
| WTA Tokyo | 09/15 01:00 | 45 | [344] Mari Osaka v Antonia Lottner [156] | 3-6,6-4,3-6 | |
| WTA Hiroshima | 09/09 05:20 | 45 | [151] Antonia Lottner v Yuxuan Zhang [215] | 3-6,4-6 | |
| US Open femminili | 08/23 15:00 | 45 | [193] Francesca Di Lorenzo v Antonia Lottner [151] | 6-4,7-5 | |
| US Open femminili | 08/21 18:05 | 44 | [151] Antonia Lottner v Viktoriya Tomova [139] | 6-1,6-1 | |
| ITF femminile Hechingen | 08/09 15:30 | 26 | [163] Tamara Korpatsch v Antonia Lottner [154] | 6-4,6-0 | |
| ITF femminile Hechingen | 08/08 11:00 | 25 | [226] Tereza Martincova v Antonia Lottner [154] | 4-6,0-6 | |
| ITF femminile Bad Saulgau | 08/02 09:00 | 26 | [152] Antonia Lottner v Alexandra Cadantu [253] | 6-1,2-6,4-6 | |
| ITF femminile Bad Saulgau | 08/01 10:30 | 25 | Antonia Lottner v Miriam Kolodziejova | 7-6,6-3 | |
| ITF femminile Bad Saulgau | 07/31 15:30 | - | [152] Antonia Lottner v Miriam Kolodziejova [294] | 7-6,5-3 | |
| WTA Mosca | 07/23 12:10 | 25 | [130] Antonia Lottner v Tamara Zidansek [93] | 3-6,1-6 | |
| WTA Gstaad | 07/17 14:00 | 25 | [130] Antonia Lottner v Viktorija Golubic [110] | 3-6,2-6 | |
| Wimbledon Femminile | 07/02 10:30 | 23 | [120] Evgeniya Rodina v Antonia Lottner [128] | 3-6,7-5,6-4 | |
| Wimbledon Femminile - Qual. | 06/28 12:30 | 46 | [184] Bianca Andreescu v Antonia Lottner [128] | 3-6,6-7 | |
| Wimbledon Femminile - Qual. | 06/27 10:00 | 45 | [128] Antonia Lottner v Irina Falconi [134] | 6-0,1-6,6-3 | |
| Wimbledon Femminile - Qual. | 06/26 11:25 | 44 | [128] Antonia Lottner v Francoise Abanda [151] | 7-5,6-4 |