| WTA Auckland | 01/06 04:00 | 25 | Jil Teichmann v Valentina Ivanov | 6-4,6-3 | |
| WTA Limoges | 12/20 13:00 | 27 | [67] Aliaksandra Sasnovich v Jil Teichmann [73] | 6-3,7-5 | |
| WTA Limoges | 12/19 18:00 | 26 | [73] Jil Teichmann v Jennifer Brady [55] | 7-5,7-6 | |
| WTA Limoges | 12/16 11:35 | 25 | [73] Jil Teichmann v Tamara Korpatsch [110] | 7-6,6-3 | |
| WTA Luxembourg | 10/14 13:50 | 25 | Jil Teichmann v Margarita Gasparyan | 6-2,6-7,3-6 | |
| WTA Linz | 10/07 14:55 | 25 | [68] Jil Teichmann v Andrea Petkovic [75] | 1-6,1-6 | |
| WTA Beijing | 09/29 07:00 | 24 | [72] Jil Teichmann v Andrea Petkovic [85] | 6-7,3-6 | |
| WTA Wuhan | 09/20 04:25 | 45 | [166] Ellen Perez v Jil Teichmann [70] | 3-6,6-0,6-3 | |
| WTA Seoul | 09/17 04:50 | 25 | [88] Paula Badosa v Jil Teichmann [70] | 6-4,6-4 | |
| US Open Women | 08/27 20:35 | 23 | [26] Elise Mertens v Jil Teichmann [60] | 6-2,6-2 | |
| WTA New York | 08/19 17:00 | 25 | [152] Kristie Ahn v Jil Teichmann [59] | 6-3,6-4 | |
| WTA New York | 08/18 14:00 | 46 | [58] Jil Teichmann v Laura Siegemund [88] | 0-6,7-6,7-6 | |
| WTA New York | 08/17 14:00 | 45 | [58] Jil Teichmann v Belinda Woolcock [343] | 6-3,6-4 | |
| WTA New York | 08/16 15:50 | 44 | [58] Jil Teichmann v Hiroko Kuwata [297] | 6-2,6-1 | |
| WTA Cincinnati | 08/10 16:50 | 45 | [76] Jennifer Brady v Jil Teichmann [58] | 1-6,6-1,6-2 | |
| WTA Palermo | 07/28 17:30 | 29 | [5] Kiki Bertens v Jil Teichmann [82] | 6-7,2-6 | |
| WTA Palermo | 07/27 16:30 | 28 | [144] Liudmila Samsonova v Jil Teichmann [82] | 3-6,1-6 | |
| WTA Palermo | 07/26 14:00 | 27 | [82] Jil Teichmann v Anna-Lena Friedsam [280] | Retired | |
| WTA Palermo | 07/24 15:50 | 26 | [82] Jil Teichmann v Gabriela Ce [292] | 6-1,7-6 | |
| WTA Palermo | 07/23 15:50 | 25 | [82] Jil Teichmann v Daria Gavrilova [87] | 7-6,7-5 | |
| WTA Lausanne | 07/19 15:40 | 27 | [90] Jil Teichmann v Tamara Korpatsch [142] | 6-3,0-6,1-6 | |
| WTA Lausanne | 07/18 16:15 | 26 | Simona Waltert v Jil Teichmann | 3-6,3-6 | |
| WTA Lausanne | 07/16 16:15 | 25 | [84] Timea Bacsinszky v Jil Teichmann [90] | 2-6,7-5,1-6 | |
| WTA Bastad | 07/09 14:20 | 25 | [134] Anhelina Kalinina v Jil Teichmann [89] | 6-4,6-1 | |
| Wimbledon Women | 07/01 13:40 | 23 | [71] Anastasia Potapova v Jil Teichmann [89] | 2-6,6-4,6-1 | |
| WTA Eastbourne | 06/21 11:10 | 45 | [61] Polona Hercog v Jil Teichmann [94] | 7-5,6-4 | |
| WTA Mallorca | 06/17 09:00 | 64 | [94] Jil Teichmann v Ysaline Bonaventure [118] | 3-6,3-6 | |
| WTA Mallorca | 06/16 11:25 | 45 | [91] Jil Teichmann v Fanny Stollar [205] | 6-3,7-6 | |
| WTA Bol | 06/07 13:20 | 27 | [93] Jil Teichmann v Anna Karolina Schmiedlova [90] | 3-6,4-6 | |
| WTA Bol | 06/06 12:40 | 26 | [93] Jil Teichmann v Ysaline Bonaventure [114] | 6-2,6-2 |
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.