| WTA - Luxemburg | 10/12 10:15 | 45 | [281] Stephanie Wagner v Elena Gabriela Ruse [178] | 7-6,2-6,0-6 | |
| ITF W60 Valencia | 09/23 12:20 | 54 | [281] Stephanie Wagner v Alba Carrillo Marin [496] | 6-2,2-6,6-10 | |
| ITF W60 Saint-Malo | 09/18 11:20 | 25 | [246] Tereza Mrdeza v Stephanie Wagner [285] | 6-2,6-4 | |
| ITF W60 Saint-Malo | 09/17 09:20 | 54 | [285] Stephanie Wagner v Yana Morderger [335] | 7-6,7-5 | |
| ITF W25 St. Poelten | 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 | |
| ITF W25 Bagnatica | 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 Praag | 07/25 12:25 | 26 | [291] Stephanie Wagner v Veronica Cepede Royg [146] | 4-6,6-2,3-6 | |
| ITF W60 Praag | 07/24 12:30 | 25 | Aneta Laboutkova v Stephanie Wagner | 6-3,1-6,1-6 | |
| ITF W80 Biarritz | 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 Nina Stojanovic [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 Olga Govortsova [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] Julia Wachaczyk v Stephanie Wagner [303] | 3-6,3-6 | |
| ITF W60 - Rome | 06/13 18:30 | 26 | [362] Stephanie Wagner v Francesca Di Lorenzo [163] | 4-6,2-6 | |
| ITF W60 - Rome | 06/12 11:20 | 25 | [471] Cristina Dinu v Stephanie Wagner [362] | 3-6,4-6 | |
| ITF W25 Minsk | 06/09 08:00 | 29 | [366] Stephanie Wagner v Francesca Jones [455] | 3-6,6-1,2-6 | |
| ITF W25 Minsk | 06/08 08:00 | 28 | [252] Estelle Cascino v Stephanie Wagner [366] | 3-6,4-6 | |
| ITF W25 Minsk | 06/07 08:00 | 27 | [364] Anastasia Detiuc v Stephanie Wagner [366] | 2-6,3-6 | |
| ITF W25 Minsk | 06/06 10:45 | 26 | [500] Sara Cakarevic v Stephanie Wagner [366] | 6-4,1-6,3-6 | |
| ITF W25 Minsk | 06/05 08:45 | 25 | [416] Angelica Moratelli v Stephanie Wagner [366] | 1-6,2-6 | |
| WTA Nurnberg | 05/18 09:35 | 45 | [362] Stephanie Wagner v Valentyna Ivakhnenko [249] | 6-3,5-7,0-6 |