| ITF W25 Cherbourg | 10/08 11:45 | 25 | Selena Janicijevic v Antonia Lottner | 1-6,0-6 | |
| ITF W60 Zagabria | 09/05 13:00 | 26 | [227] Elitsa Kostova v Antonia Lottner [195] | 6-2,4-6,7-6 | |
| ITF W60 Zagabria | 09/03 09:00 | 25 | [195] Antonia Lottner v Pemra Ozgen [182] | 6-3,7-5 | |
| US Open femminili | 08/19 15:00 | 44 | [252] Jaimee Fourlis v Antonia Lottner [195] | 5-7,6-4,6-4 | |
| WTA Karlsruhe | 07/30 08:30 | 25 | [186] Antonia Lottner v Elena Gabriela Ruse [179] | 2-6,2-6 | |
| WTA Palermo | 07/22 18:30 | 25 | [163] Giulia Gatto Monticone v Antonia Lottner [187] | Retired | |
| WTA Losanna | 07/15 14:20 | 25 | [190] Antonia Lottner v Caroline Garcia [22] | 2-6,3-6 | |
| Wimbledon Femminile | 06/27 13:40 | 46 | [182] Antonia Lottner v Anna Kalinskaya [144] | 3-6,3-6 | |
| Wimbledon Femminile | 06/26 15:00 | 45 | [106] Natalia Vikhlyantseva v Antonia Lottner [182] | 4-6,1-6 | |
| Wimbledon Femminile | 06/25 10:30 | 44 | [182] Antonia Lottner v Conny Perrin [154] | 6-3,6-2 | |
| WTA Maiorca | 06/16 09:00 | 45 | [64] Sara Sorribes Tormo v Antonia Lottner [137] | 6-2,1-6,6-1 | |
| WTA Hertogenbosch | 06/09 10:20 | 64 | [114] Ysaline Bonaventure v Antonia Lottner [147] | 7-6,4-6,6-4 | |
| WTA Hertogenbosch | 06/08 11:00 | 45 | [195] Lesley Kerkhove v Antonia Lottner [147] | 1-6,2-6 | |
| Open di Francia Femminili | 05/27 09:00 | 23 | [26] Johanna Konta v Antonia Lottner [147] | 6-4,6-4 | |
| Open di Francia Femminili | 05/24 09:35 | 46 | [149] Antonia Lottner v Georgina Garcia-Perez [179] | 6-3,6-4 | |
| Open di Francia Femminili | 05/23 08:00 | 45 | Antonia Lottner v Elsa Jacquemot | 7-6,6-2 | |
| Open di Francia Femminili | 05/21 15:00 | 44 | [115] Ysaline Bonaventure v Antonia Lottner [149] | 4-6,6-7 | |
| ITF W100 Trnava | 05/17 11:15 | 27 | [157] Antonia Lottner v Christina McHale [119] | Retired | |
| ITF W100 Trnava | 05/16 10:25 | 26 | [152] Greet Minnen v Antonia Lottner [157] | 4-6,4-6 | |
| ITF W100 Trnava | 05/15 10:00 | 25 | [140] Shuai Peng v Antonia Lottner [157] | 6-2,3-6,3-6 | |
| WTA Praga | 05/01 09:00 | 26 | [157] Antonia Lottner v Bernarda Pera [105] | 2-6,4-6 | |
| WTA Praga | 04/30 13:50 | 25 | [116] Marie Bouzkova v Antonia Lottner [157] | 1-6,4-6 | |
| WTA Praga | 04/30 08:00 | 54 | [175] Jasmine Paolini v Antonia Lottner [157] | 4-6,4-6 | |
| WTA Praga | 04/28 09:00 | 46 | [162] Antonia Lottner v Anna Kalinskaya [183] | 7-6,6-4 | |
| WTA Praga | 04/27 09:15 | 45 | [421] Yana Sizikova v Antonia Lottner [162] | 2-6,1-6 | |
| WTA Stoccarda | 04/21 14:15 | 46 | [350] Anna-Lena Friedsam v Antonia Lottner [163] | 6-2,3-6,7-6 | |
| WTA Stoccarda | 04/20 13:20 | 45 | [221] Paula Ormaechea v Antonia Lottner [163] | 1-6,1-6 | |
| WTA Lugano | 04/11 16:45 | 26 | [182] Antonia Lottner v Kristyna Pliskova [101] | 2-6,4-6 | |
| WTA Lugano | 04/09 16:05 | 25 | [20] Belinda Bencic v Antonia Lottner [182] | 5-7,2-6 | |
| WTA Lugano | 04/08 08:30 | 64 | [193] Barbara Haas v Antonia Lottner [182] | 7-6,4-6,4-6 |