| WTA Cluj-Napoca | 10/26 16:10 | 25 | [23] Emma Raducanu v Polona Hercog [124] | 4-6,7-5,6-1 | |
| ITF - W60 Rancho Santa Fe | 10/15 16:55 | 27 | Polona Hercog v Elvina Kalieva | 4-6,3-6 | |
| ITF - W60 Rancho Santa Fe | 10/14 19:35 | 26 | Polona Hercog v Ellie Douglas | 6-4,6-2 | |
| ITF - W60 Rancho Santa Fe | 10/12 19:40 | 25 | Polona Hercog v Jessica Failla | 6-7,6-3,7-5 | |
| WTA - Indian Wells | 10/07 19:55 | 23 | [65] Anastasija Sevastova v Polona Hercog [123] | 3-6,6-2,6-0 | |
| US Open - Dames | 08/31 22:30 | 23 | [11] Petra Kvitova v Polona Hercog [86] | 6-1,6-2 | |
| WTA - Cleveland | 08/25 00:35 | 26 | [74] Irina-Camelia Begu v Polona Hercog [85] | 7-6,7-5 | |
| WTA - Cleveland | 08/23 18:10 | 25 | [342] Maria Mateas v Polona Hercog [85] | 3-6,2-6 | |
| WTA - Cincinnati | 08/14 14:00 | 14 | [87] Polona Hercog v Marie Bouzkova [74] | 6-4,2-6,3-6 | |
| WTA - Montreal | 08/08 15:00 | 19 | [62] Tereza Martincova v Polona Hercog [85] | 7-5,6-3 | |
| WTA - Montreal | 08/07 15:00 | 14 | [142] Harmony Tan v Polona Hercog [85] | 2-6,3-6 | |
| Wimbledon - Dames | 06/28 14:30 | 23 | [77] Polona Hercog v Danielle Collins [48] | 6-4,3-6,2-6 | |
| WTA - Eastbourne | 06/19 11:25 | 14 | [36] Shuai Zhang v Polona Hercog [73] | 6-1,6-3 | |
| WTA - Birmingham | 06/15 15:20 | 25 | [35] Daria Kasatkina v Polona Hercog [73] | 4-6,6-3,6-3 | |
| French Open - Dames | 06/04 15:45 | 25 | [73] Polona Hercog v Marketa Vondrousova [21] | 3-6,3-6 | |
| French Open - Dames | 06/02 11:45 | 24 | [73] Polona Hercog v Caroline Garcia [58] | 7-5,6-4 | |
| French Open - Dames | 05/31 09:00 | 23 | [17] Kiki Bertens v Polona Hercog [73] | 1-6,6-3,4-6 | |
| WTA Belgrado | 05/17 13:00 | 25 | [69] Leylah Fernandez v Polona Hercog [73] | 7-5,6-1 | |
| WTA - Rome | 05/10 12:40 | 24 | [19] Maria Sakkari v Polona Hercog [74] | 7-6,3-6,6-2 | |
| WTA - Rome | 05/09 09:00 | 19 | [113] Sara Errani v Polona Hercog [73] | 2-6,3-6 | |
| WTA - Rome | 05/08 08:00 | 14 | [289] Lucia Bronzetti v Polona Hercog [73] | 4-6,3-6 | |
| WTA - Madrid | 04/30 14:30 | 24 | [73] Polona Hercog v Jelena Ostapenko [50] | 3-6,1-6 | |
| WTA - Madrid | 04/28 14:10 | 15 | [70] Bernarda Pera v Polona Hercog [73] | 6-4,5-7,6-4 | |
| WTA - Madrid | 04/27 15:15 | 14 | [122] Yafan Wang v Polona Hercog [73] | 4-6,2-6 | |
| WTA - Istanbul | 04/20 11:40 | 25 | [115] Vera Zvonareva v Polona Hercog [73] | 6-3,6-3 | |
| ITF W60 - Oeiras | 04/18 09:30 | 29 | [76] Polona Hercog v Clara Burel [177] | Walkover | |
| ITF W60 - Oeiras | 04/17 14:05 | 28 | [76] Polona Hercog v Anhelina Kalinina [164] | 6-3,3-6,6-3 | |
| ITF W60 - Oeiras | 04/17 08:50 | 27 | [76] Polona Hercog v Lucia Bronzetti [301] | 6-3,6-2 | |
| ITF W60 - Oeiras | 04/16 12:00 | 26 | Polona Hercog v Alexandra Dulgheru | 6-4,1-6,6-4 | |
| ITF W60 - Oeiras | 04/15 13:05 | 25 | Polona Hercog v Ekaterine Gorgodze | Walkover |
Wikipedia - Polona Hercog
Polona Hercog (uitspraak: Hertsog) (Maribor, 20 januari 1991) is een professioneel tennisspeelster uit Slovenië. Hercog begon met tennis toen zij vier jaar oud was. Haar favoriete ondergrond is gravel. Zij speelt rechtshandig en heeft een tweehandige backhand.