| 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 - ženy | 01/18 06:00 | 24 | [33] Jil Teichmann v Lin Zhu [87] | 2-6,2-6 | |
| Australian Open - ženy | 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 - ženy | 01/03 08:25 | - | [48] Magda Linette v Jil Teichmann [35] | 5-7,6-4,6-1 | |
| United Cup - ženy | 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 - ženy | 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 Kvitová [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 - ženy | 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 - Berlín | 06/13 09:00 | 25 | [22] Jil Teichmann v Daria Saville [104] | 7-6,5-7,2-6 | |
| French Open - ženy | 05/29 17:05 | 26 | [24] Jil Teichmann v Sloane Stephens [64] | 2-6,0-6 |
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.