| ITF W80 Tyler | 10/29 15:30 | 54 | [296] Stephanie Wagner v Cako, Jacqueline [248] | 6-1,6-4 | |
| ITF W80 Tyler | 10/28 19:10 | 54 | [296] Stephanie Wagner v Barnett, Alicia [358] | 6-1,6-4 | |
| ITF W25 Dallas | 10/23 16:20 | 25 | [314] Olivia Tjandramulia v Stephanie Wagner [296] | 7-6,7-6 | |
| WTA Luxembourg | 10/12 10:15 | 45 | [281] Stephanie Wagner v Ruse, Elena-Gabriela [178] | 7-6,2-6,0-6 | |
| Valence, Simples W-ITF-ESP-10A | 09/23 12:20 | 54 | [281] Stephanie Wagner v Carrillo Marin, Alba [496] | 6-2,2-6,6-10 | |
| Saint-Malo, Singles W-ITF-FRA-15A | 09/18 11:20 | 25 | [246] Mrdeza, Tereza v Stephanie Wagner [285] | 6-2,6-4 | |
| Saint-Malo, Singles W-ITF-FRA-15A | 09/17 09:20 | 54 | [285] Stephanie Wagner v Yana Morderger [335] | 7-6,7-5 | |
| St. Pölten, Qualifications Simples W-ITF-AUT-01B | 09/10 10:35 | 25 | [282] Stephanie Wagner v Melanie Klaffner [402] | 7-6,1-6,4-6 | |
| ITF W60 Montreux | 09/05 12:35 | 26 | [187] Conny Perrin v Stephanie Wagner [272] | 6-2,6-4 | |
| ITF W60 Montreux | 09/03 13:15 | 25 | Stephanie Wagner v Tess Sugnaux | 4-6,6-4,6-2 | |
| Bagnatica, Singles Qualifying W-ITF-ITA-19A | 08/28 17:00 | 25 | [213] Federica Di Sarra v Stephanie Wagner [272] | 7-5,6-3 | |
| ITF W60 Hechingen | 08/08 10:00 | 25 | [107] Tamara Korpatsch v Stephanie Wagner [265] | 6-3,7-5 | |
| WTA Karlsruhe | 08/02 13:00 | 27 | [286] Stephanie Wagner v Jasmine Paolini [132] | 5-7,4-6 | |
| WTA Karlsruhe | 07/31 16:50 | 26 | [73] Tatjana Maria v Stephanie Wagner [286] | 3-6,6-4,4-6 | |
| WTA Karlsruhe | 07/29 09:00 | 25 | [291] Stephanie Wagner v Yue Yuan [257] | 7-6,6-2 | |
| WTA Karlsruhe | 07/28 11:00 | 164 | Stephanie Wagner v Sina Herrmann | 6-0,6-1 | |
| ITF W60 Prague | 07/25 12:25 | 26 | [291] Stephanie Wagner v Cepede Royg, Veronica [146] | 4-6,6-2,3-6 | |
| ITF W60 Prague | 07/24 12:30 | 25 | Aneta Laboutkova v Stephanie Wagner | 6-3,1-6,1-6 | |
| Biarritz, Singles W-ITF-FRA-11A | 07/16 15:20 | 25 | [188] Jessika Ponchet v Stephanie Wagner [289] | 7-6,7-5 | |
| ITF W60 Versmold | 07/10 15:35 | 25 | [307] Stephanie Wagner v Stojanovic, Nina [250] | 6-3,0-6,4-6 | |
| ITF W25 Den Haag | 07/03 13:35 | 25 | [307] Stephanie Wagner v Ana Sofia Sanchez [377] | 4-6,4-6 | |
| ITF W25 Darmstadt | 06/29 14:00 | 28 | [303] Stephanie Wagner v Govortsova, Olga [260] | 6-3,4-6,4-6 | |
| ITF W25 Darmstadt | 06/28 16:10 | 27 | [415] Yana Morderger v Stephanie Wagner [303] | 6-7,4-6 | |
| ITF W25 Darmstadt | 06/27 10:00 | 26 | Simona Waltert v Stephanie Wagner | 4-6,5-7 | |
| ITF W25 Darmstadt | 06/26 10:00 | 25 | [331] Wachaczyk, Julia v Stephanie Wagner [303] | 3-6,3-6 | |
| ITF W60 Rome | 06/13 18:30 | 26 | [362] Stephanie Wagner v Di Lorenzo, Francesca [163] | 4-6,2-6 | |
| ITF W60 Rome | 06/12 11:20 | 25 | [471] Cristina Dinu v Stephanie Wagner [362] | 3-6,4-6 | |
| Minsk, Singles W-ITF-BLR-03A | 06/09 08:00 | 29 | [366] Stephanie Wagner v Francesca Jones [455] | 3-6,6-1,2-6 | |
| Minsk, Singles W-ITF-BLR-03A | 06/08 08:00 | 28 | [252] Estelle Cascino v Stephanie Wagner [366] | 3-6,4-6 | |
| Minsk, Singles W-ITF-BLR-03A | 06/07 08:00 | 27 | [364] Detiuc, Anastasia v Stephanie Wagner [366] | 2-6,3-6 |