| 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 | |
| Australian Open - Kvinner | 01/18 06:00 | 24 | [33] Jil Teichmann v Lin Zhu [87] | 2-6,2-6 | |
| Australian Open - Kvinner | 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 - Kvinner | 01/03 08:25 | - | [48] Magda Linette v Jil Teichmann [35] | 5-7,6-4,6-1 | |
| United Cup - Kvinner | 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 Storm Sanders [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] Bianca Andreescu 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 - Kvinner | 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 Petra Kvitova [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 Anett Kontaveit [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 - Kvinner | 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 Belén Teichmann (born 15 July 1997) is a Swiss professional tennis player. She has been ranked by the Women's Tennis Association (WTA) as high as world No. 21 in singles and No. 73 in doubles. She has won two titles in singles and two in doubles on the WTA Tour, along with one WTA 125 doubles title. In addition, she won six singles titles and five doubles titles on the ITF Circuit.
A former junior world No. 3, Teichmann won a Grand Slam title in the girls' doubles event at the 2014 US Open. That year, she also won a gold medal for Switzerland in mixed doubles at the Summer Youth Olympics in Nanjing.
Her breakthrough as a senior player came in May 2019 when she won her first WTA Tour title in Prague. In July of that year, she won another WTA tournament title after making her first top-10 win over Kiki Bertens. She continued progressing, in March 2021 reaching the semifinals of the WTA 1000 Dubai Championships. With these performances she entered the top 50. Later that year, she reached the final of the Cincinnati Open, a WTA 1000 event, defeating Naomi Osaka, Belinda Bencic, and Karolína Plíšková, before falling to world No. 1, Ashleigh Barty.