| WTA Chicago | 08/17 22:15 | 25 | [150] Jule Niemeier v Greet Minnen [113] | 6-2,6-2 | |
| WTA Chicago | 08/16 17:15 | 14 | Kristina Kucova v Jule Niemeier | Cancelled | |
| WTA Montreal | 08/08 18:15 | 19 | [61] Alison Van Uytvanck v Jule Niemeier [148] | 6-7,6-0,6-3 | |
| WTA Montreal | 08/07 20:15 | 14 | [148] Jule Niemeier v Astra Sharma [112] | 6-4,6-2 | |
| WTA Belgrade | 07/28 11:20 | 26 | [122] Anna-Karolina Schmiedlova v Jule Niemeier [147] | 6-4,5-7,7-6 | |
| WTA Belgrade | 07/27 09:00 | 25 | [147] Jule Niemeier v Viktoriya Tomova [119] | 6-3,7-6 | |
| WTA Hamburg | 07/10 12:20 | 28 | [167] Jule Niemeier v Andrea Petkovic [130] | 6-7,6-4,5-7 | |
| WTA Hamburg | 07/09 14:55 | 27 | [167] Jule Niemeier v Tamara Zidansek [47] | 6-2,6-4 | |
| WTA Hamburg | 07/08 11:05 | 26 | [167] Jule Niemeier v Tamara Korpatsch [141] | 6-2,6-7,6-3 | |
| WTA Hamburg | 07/07 12:55 | 25 | [76] Caroline Garcia v Jule Niemeier [167] | 4-6,2-6 | |
| Wimbledon Women | 06/24 14:30 | 19 | [168] Jule Niemeier v Lesley Pattinama Kerkhove [175] | 4-6,6-2,7-9 | |
| Wimbledon Women | 06/23 15:45 | 15 | [117] Mayar Sherif v Jule Niemeier [168] | 4-6,3-6 | |
| Wimbledon Women | 06/22 16:35 | 14 | [167] Natalia Vikhlyantseva v Jule Niemeier [168] | 6-3,3-6,4-6 | |
| WTA Berlin | 06/14 11:50 | 25 | [12] Belinda Bencic v Jule Niemeier [167] | 4-6,6-4,7-5 | |
| WTA Berlin | 06/13 10:45 | 19 | [170] Jule Niemeier v Claire Liu [130] | 7-6,6-1 | |
| WTA Berlin | 06/12 11:20 | 14 | [75] Ann Li v Jule Niemeier [170] | 3-6,6-7 | |
| WTA Strasbourg | 05/28 14:25 | 28 | [38] Barbora Krejcikova v Jule Niemeier [216] | 5-7,6-3,6-4 | |
| WTA Strasbourg | 05/27 15:30 | 27 | [216] Jule Niemeier v Arantxa Rus [84] | 6-4,6-1 | |
| WTA Strasbourg | 05/26 15:30 | 26 | [46] Shelby Rogers v Jule Niemeier [216] | 4-6,6-7 | |
| WTA Strasbourg | 05/25 09:00 | 25 | [216] Jule Niemeier v Diane Parry [307] | 6-4,6-3 | |
| WTA Strasbourg | 05/23 08:00 | 19 | [106] Andrea Petkovic v Jule Niemeier [208] | 3-6,7-6,3-6 | |
| WTA Strasbourg | 05/22 08:00 | 14 | [266] Bianca Turati v Jule Niemeier [208] | 0-6,4-6 | |
| WTA Belgrade | 05/15 09:00 | 14 | [246] Jule Niemeier v Ana Konjuh [193] | 7-6,4-6,3-6 | |
| ITF W25 Prague | 05/09 08:50 | 29 | [234] Dalma Galfi v Jule Niemeier [263] | 4-6,2-6 | |
| ITF W25 Prague | 05/08 11:10 | 28 | [263] Jule Niemeier v Daniela Seguel [203] | 6-3,6-1 | |
| ITF W25 Prague | 05/07 09:00 | 27 | [263] Jule Niemeier v Anna Bondar [266] | 2-6,6-3,6-1 | |
| ITF W25 Prague | 05/06 10:55 | 26 | [197] Julia Grabher v Jule Niemeier [263] | 3-6,6-7 | |
| ITF W25 Prague | 05/05 10:55 | 25 | Jule Niemeier v Darja Vidmanova | 6-2,6-4 | |
| ITF W25 Prague | 05/03 11:50 | 54 | [263] Jule Niemeier v Alice Rame [378] | 7-5,6-3 | |
| ITF W25 Prague | 05/02 13:00 | 54 | Jule Niemeier v Martina Pradova | 6-4,6-1 |