| WTA - Dubaj | 03/09 15:00 | 25 | [10] Petra Kvitová v Jil Teichmann [54] | Retired | |
| WTA - Dubaj | 03/08 14:05 | 24 | [128] Katarina Zavatska v Jil Teichmann [54] | 1-6,2-6 | |
| WTA - Dubaj | 03/08 08:00 | 24 | Paula Badosa v Jil Teichmann | Cancelled | |
| WTA - Adelaide | 02/26 04:30 | 28 | [18] Iga Swiatek v Jil Teichmann [61] | 6-3,6-2 | |
| WTA - Adelaide | 02/25 00:30 | 27 | [56] Anastasija Sevastova v Jil Teichmann [61] | 4-6,7-6,5-7 | |
| WTA - Adelaide | 02/24 02:25 | 26 | [61] Jil Teichmann v Qiang Wang [35] | 3-6,6-3,6-3 | |
| WTA - Adelaide | 02/23 00:30 | 25 | [61] Jil Teichmann v Kristina Mladenovic [51] | 6-2,7-6 | |
| WTA - Melbourne | 02/17 03:00 | 27 | [58] Jil Teichmann v Marie Bouzkova [50] | 3-6,6-4,2-6 | |
| WTA - Melbourne | 02/16 00:00 | 26 | [58] Jil Teichmann v Patricia Maria Tig [56] | Retired | |
| WTA - Melbourne | 02/15 02:30 | 25 | [146] Monica Niculescu v Jil Teichmann [58] | 2-6,2-6 | |
| WTA - Melbourne | 02/15 02:30 | 25 | Shuai Zhang v Jil Teichmann | Cancelled | |
| WTA - Melbourne | 02/14 07:10 | 24 | [138] Mihaela Buzarnescu v Jil Teichmann [58] | 7-6,3-6,3-6 | |
| Australian Open - ženy | 02/09 03:00 | 23 | [48] Cori Gauff v Jil Teichmann [58] | 6-3,6-2 | |
| WTA - Gippsland Trophy | 02/01 02:45 | 24 | [48] Cori Gauff v Jil Teichmann [57] | 6-3,6-7,7-6 | |
| WTA - Linz | 11/11 11:00 | 25 | [115] Oceane Dodin v Jil Teichmann [57] | 1-6,6-4,6-2 | |
| WTA - Ostrava | 10/18 10:25 | 168 | [58] Jil Teichmann v Barbora Krejčíková [85] | 3-6,2-6 | |
| WTA - Ostrava | 10/17 12:10 | 45 | [58] Jil Teichmann v Anna-Lena Friedsam [107] | 7-5,6-3 | |
| French Open - ženy | 09/27 14:20 | 23 | [73] Irina-Camelia Begu v Jil Teichmann [53] | 6-4,4-6,6-3 | |
| WTA - Štrasburg | 09/24 11:15 | 27 | [54] Jil Teichmann v Elina Svitolina [5] | 4-6,3-6 | |
| WTA - Štrasburg | 09/22 08:00 | 26 | [54] Jil Teichmann v Anastasia Pavlyuchenkova [38] | 7-6,7-5 | |
| WTA - Štrasburg | 09/20 10:00 | 25 | [27] Amanda Anisimova v Jil Teichmann [54] | 2-6,3-6 | |
| WTA - Rím | 09/14 14:05 | 24 | [65] Anna Blinkova v Jil Teichmann [54] | 6-3,6-3 | |
| US Open - ženy | 09/01 23:00 | 23 | [52] Jil Teichmann v Aliona Bolsova [103] | 6-7,2-6 | |
| WTA - New York | 08/24 19:05 | 25 | [20] Anett Kontaveit v Jil Teichmann [54] | 6-3,6-4 | |
| WTA - New York | 08/23 20:55 | 24 | [53] Danielle Collins v Jil Teichmann [54] | 3-6,3-6 | |
| WTA - New York | 08/21 15:00 | 19 | [54] Jil Teichmann v Shelby Rogers [95] | 6-3,6-4 | |
| WTA - New York | 08/20 19:40 | 44 | [54] Jil Teichmann v Aliona Bolsova [103] | 6-2,6-2 | |
| WTA Lexington | 08/16 15:00 | 29 | [63] Jil Teichmann v Jennifer Brady [49] | 3-6,4-6 | |
| WTA Lexington | 08/15 15:00 | 28 | [116] Shelby Rogers v Jil Teichmann [63] | 3-6,2-6 | |
| WTA Lexington | 08/14 15:00 | 27 | [302] Catherine Bellis v Jil Teichmann [63] | 2-6,4-6 |
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 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.