| WTA - Doha | 02/11 09:30 | 14 | [28] Jil Teichmann v Sorana Cirstea [63] | 6-4,6-3 | |
| WTA - Abu Dhabi | 02/09 13:40 | 26 | [8] Daria Kasatkina v Jil Teichmann [28] | 1-6,6-0,6-2 | |
| WTA - Abu Dhabi | 02/07 15:20 | 25 | [28] Jil Teichmann v Dayana Yastremska [102] | 6-3,7-6 | |
| Open d'Australie - Femmes | 01/18 06:00 | 24 | [33] Jil Teichmann v Lin Zhu [87] | 2-6,2-6 | |
| Open d'Australie - Femmes | 01/16 07:25 | 23 | [33] Jil Teichmann v Harriet Dart [96] | 7-5,6-1 | |
| WTA Adelaide 2 | 01/11 00:30 | 26 | [14] Danielle Collins v Jil Teichmann [33] | 6-3,7-6 | |
| WTA Adelaide 2 | 01/09 00:30 | 25 | [367] Anastasia Pavlyuchenkova v Jil Teichmann [35] | 5-7,4-6 | |
| WTA Adelaide 2 | 01/08 01:30 | 19 | [23] Amanda Anisimova v Jil Teichmann [35] | 6-7,6-4,1-6 | |
| WTA Adelaide 2 | 01/07 04:40 | 14 | [429] Olivia Tjandramulia v Jil Teichmann [35] | 1-6,0-6 | |
| United Cup Women | 01/03 08:25 | - | [48] Magda Linette v Jil Teichmann [35] | 5-7,6-4,6-1 | |
| United Cup Women | 12/30 09:15 | - | [35] Jil Teichmann v Zhibek Kulambayeva [441] | 6-3,6-2 | |
| Billie Jean King Cup | 11/13 14:00 | 29 | [35] Jil Teichmann v Sanders, Storm [237] | 6-3,4-6,6-3 | |
| Billie Jean King Cup | 11/09 10:00 | 1 | [35] Jil Teichmann v Elisabetta Cocciaretto [65] | 6-3,4-6,7-6 | |
| WTA Guadalajara | 10/17 17:45 | 24 | [59] Andreescu, Bianca Vanessa v Jil Teichmann [36] | 6-2,6-4 | |
| WTA - San Diego | 10/11 20:20 | 25 | [38] Jil Teichmann v Sloane Stephens [52] | 1-6,6-7 | |
| WTA - San Diego | 10/09 17:00 | 19 | [36] Jil Teichmann v Caroline Dolehide [177] | 4-6,2-6 | |
| WTA - San Diego | 10/08 19:10 | 14 | [36] Jil Teichmann v Carol Zhao [171] | 6-1,7-6 | |
| WTA Ostrava | 10/03 19:00 | 25 | [36] Jil Teichmann v Tereza Martincova [78] | 6-7,6-7 | |
| WTA Tallinn | 09/29 08:00 | 26 | [138] Ysaline Bonaventure v Jil Teichmann [36] | 7-6,6-3 | |
| WTA Tallinn | 09/27 08:00 | 25 | [175] Laura Siegemund v Jil Teichmann [31] | 4-6,6-7 | |
| US Open Women | 08/29 21:10 | 23 | [36] Shuai Zhang v Jil Teichmann [30] | 6-4,6-2 | |
| WTA Cincinnati | 08/15 20:40 | 24 | [21] Jil Teichmann v Kvitova, Petra [28] | 7-6,6-7,3-6 | |
| WTA Toronto | 08/11 17:00 | 26 | [15] Simona Halep v Jil Teichmann [21] | 6-2,7-5 | |
| WTA Toronto | 08/10 19:35 | 25 | [21] Jil Teichmann v Kontaveit, Anett [2] | 6-4,6-4 | |
| WTA Toronto | 08/09 03:30 | 24 | Jil Teichmann v Venus Williams | 6-2,6-3 | |
| WTA San Jose | 07/31 18:50 | 19 | [21] Jil Belen Teichmann v Elizabeth Mandlik [238] | 6-3,3-6,0-6 | |
| WTA San Jose | 07/30 21:55 | 14 | Jil Belen Teichmann v Emiliana Arango | 6-1,7-5 | |
| Wimbledon Women | 06/28 12:20 | 23 | [22] Jil Teichmann v Ajla Tomljanovic [44] | 2-6,3-6 | |
| WTA Eastbourne | 06/21 17:35 | 25 | [23] Jil Teichmann v Harriet Dart [103] | 6-7,6-4,3-6 | |
| WTA Berlin | 06/13 09:00 | 25 | [22] Jil Teichmann v Daria Saville [104] | 7-6,5-7,2-6 |
Wikipedia - Jil Teichmann
Jil Belen Teichmann, née le à Barcelone, est une joueuse de tennis suisse, professionnelle depuis 2015.
À ce jour, elle a remporté deux titres en simple et un titre en double sur le circuit WTA.