| ITF W100 Les Franqueses | 10/25 11:50 | 25 | [168] Zuger, Joanne v Sara Errani [102] | Retired | |
| ITF W100 Les Franqueses | 10/23 10:00 | 54 | Zuger, Joanne v Jiho Shin | Cancelled | |
| ITF W25 Seville | 10/20 09:00 | 27 | [171] Zuger, Joanne v Sada Nahimana [272] | 4-6,7-6,3-6 | |
| ITF W25 Seville | 10/19 11:10 | 26 | [171] Zuger, Joanne v Marie Benoit [294] | 4-6,6-3,6-4 | |
| ITF W25 Seville | 10/18 08:00 | 25 | [171] Zuger, Joanne v Diletta Cherubini [457] | 3-6,6-3,7-5 | |
| ITF W25 Lisbon | 10/02 08:50 | 29 | [181] Zuger, Joanne v Carole Monnet [259] | 6-1,3-6,2-6 | |
| ITF W25 Lisbon | 10/01 09:00 | 28 | Zuger, Joanne v Carreras, Amanda | 7-6,6-1 | |
| ITF W25 Lisbon | 09/30 10:55 | 27 | [181] Zuger, Joanne v Cagla Buyukakcay [321] | 6-4,7-5 | |
| ITF W25 Lisbon | 09/29 16:00 | 26 | Zuger, Joanne v Claudia Hoste Ferrer | 6-2,6-1 | |
| ITF W25 Lisbon | 09/28 15:45 | 25 | Zuger, Joanne v Gaia Squarcialupi | 3-6,6-2,6-2 | |
| WTA Chennai | 09/12 11:30 | 25 | Zuger, Joanne v Eugenie Bouchard | 6-7,2-6 | |
| ITF W60 Collonge-Bellerive | 09/02 10:00 | 27 | Dalila Spiteri v Zuger, Joanne | 6-2,6-3 | |
| ITF W60 Collonge-Bellerive | 09/01 11:35 | 26 | [490] Matilde Paoletti v Zuger, Joanne [163] | 6-3,1-6,3-6 | |
| ITF W60 Collonge-Bellerive | 08/31 13:40 | 25 | [485] Jacqueline Cabaj Awad v Zuger, Joanne [163] | 2-6,1-6 | |
| US Open Women | 08/25 15:00 | 15 | [95] Viktoriya Tomova v Zuger, Joanne [167] | 6-3,7-6 | |
| US Open Women | 08/23 19:05 | 14 | [323] Katarina Zavatska v Zuger, Joanne [167] | 6-7,4-6 | |
| WTA Hamburg | 07/20 12:45 | 26 | [81] Bernarda Pera v Zuger, Joanne [165] | 6-1,6-1 | |
| WTA Hamburg | 07/19 09:00 | 25 | [165] Zuger, Joanne v Jule Niemeier [102] | 6-4,0-6,6-4 | |
| WTA Hamburg | 07/17 09:00 | - | [139] Anastasia Gasanova v Zuger, Joanne [170] | 6-7,2-6 | |
| WTA Hamburg | 07/16 12:30 | 26 | [216] Jesika Maleckova v Zuger, Joanne [170] | 2-6,6-4,3-6 | |
| WTA Lausanne | 07/10 09:00 | 14 | [126] Olga Danilovic v Zuger, Joanne [179] | 6-1,6-4 | |
| ITF W60 Amstelveen | 07/06 09:00 | 25 | [179] Zuger, Joanne v Emma Navarro [253] | 2-6,3-6 | |
| ITF W100 Charleston | 06/30 21:30 | 26 | [238] Sachia Vickery v Zuger, Joanne [179] | 6-7,6-4,6-0 | |
| ITF W100 Charleston | 06/30 14:45 | 25 | [420] Noelia Z Melgar v Zuger, Joanne [179] | 1-6,2-6 | |
| Wimbledon Women | 06/21 10:00 | 14 | [136] Astra Sharma v Zuger, Joanne [182] | 7-6,6-4 | |
| WTA Gaiba | 06/16 11:00 | 26 | [82] Diane Parry v Zuger, Joanne [183] | 6-1,4-6,6-4 | |
| WTA Gaiba | 06/14 10:00 | 25 | [183] Zuger, Joanne v Melania Delai [482] | 7-6,6-1 | |
| ITF W60 Biarritz | 06/09 11:55 | 26 | [187] Zuger, Joanne v Anna Danilina [351] | 6-4,6-7,4-6 | |
| ITF W60 Biarritz | 06/08 09:00 | 25 | [187] Zuger, Joanne v Marina B Ribera [317] | 6-1,6-3 | |
| ITF W60 Brasov | 06/04 09:00 | 28 | [237] Jaimee Fourlis v Zuger, Joanne [216] | 6-2,6-1 |