| ITF Women La Bisbal | 05/19 10:00 | 28 | [192] Kathinka Von Deichmann v Jil Teichmann [173] | 6-1,6-4 | |
| ITF Women La Bisbal | 05/18 11:00 | 27 | Montserrat Gonzalez v Jil Teichmann | 6-3,3-6,4-6 | |
| ITF Women La Bisbal | 05/17 15:00 | 26 | Bianca Andreescu v Jil Teichmann | 6-3,4-6,6-7 | |
| ITF Women La Bisbal | 05/15 13:00 | 25 | [283] Olga Saez Larra v Jil Teichmann [173] | 3-6,6-7 | |
| ITF Women Cagnes-Sur-Mer | 05/10 10:00 | 26 | [180] Dayana Yastremska v Jil Teichmann [149] | 6-3,6-3 | |
| ITF Women Cagnes-Sur-Mer | 05/08 12:30 | 25 | [149] Jil Teichmann v Pauline Parmentier [75] | 6-2,6-7,6-4 | |
| WTA Rabat Qual | 04/29 11:00 | 46 | [178] Alexandra Dulgheru v Jil Teichmann [137] | 6-2,6-1 | |
| WTA Rabat Qual | 04/28 10:00 | 45 | [387] Panna Udvardy v Jil Teichmann [137] | 3-6,1-6 | |
| WTA Lugano | 04/11 10:35 | 25 | [136] Jil Teichmann v Alize Cornet [35] | 6-7,0-6 | |
| WTA Charleston Kval | 03/31 14:00 | 45 | [136] Jil Teichmann v Fanny Stollar [233] | 5-7,6-4,6-7 | |
| WTA Indian Wells Qual | 03/06 19:00 | 45 | Jil Teichmann v Yanina Wickmayer | 4-6,1-6 | |
| WTA Indian Wells Qual | 03/05 22:15 | 44 | Francesca Schiavone v Jil Teichmann | 7-5,5-7,1-6 | |
| WTA Acapulco | 03/01 03:00 | 26 | Shuai Zhang v Jil Teichmann | 7-6,6-4 | |
| WTA Acapulco | 02/28 03:00 | 25 | Jil Teichmann v Jana Fett | 7-5,7-5 | |
| WTA Acapulco Qual | 02/25 00:00 | 45 | Jil Teichmann v Jacqueline Cako | Cancelled | |
| ITF Women Midland | 01/31 17:45 | 25 | Madison Brengle v Jil Teichmann | 6-1,6-1 | |
| WTA Newport Beach | 01/26 18:00 | 27 | Sofya Zhuk v Jil Teichmann | 6-1,7-5 | |
| WTA Newport Beach | 01/25 18:00 | 26 | Victoria Duval v Jil Teichmann | 4-6,2-6 | |
| WTA Newport Beach | 01/23 19:30 | 25 | Jil Teichmann v Taylor Townsend | 6-4,6-2 | |
| Australian Open Women Qual | 01/11 00:40 | 44 | Yanina Wickmayer v Jil Teichmann | 6-4,7-6 | |
| ITF damer - Playford | 01/04 05:20 | 26 | Valentini Gramma'poulou v Jil Teichmann | 7-6,6-3 | |
| ITF damer - Playford | 01/03 01:10 | 25 | Alison Bai v Jil Teichmann | 2-6,6-4,5-7 | |
| WTA Taipei | 11/17 10:55 | 27 | [120] Belinda Bencic v Jil Teichmann [146] | 6-4,7-5 | |
| WTA Taipei | 11/16 04:00 | 26 | [146] Jil Teichmann v Risa Ozaki [115] | 6-4,6-2 | |
| WTA Taipei | 11/15 05:55 | 25 | [146] Jil Teichmann v Ching-Wen Hsu [390] | 6-3,6-1 | |
| ITF Women Shenzhen | 11/07 03:35 | 25 | [416] Xiaodi You v Jil Teichmann [142] | 6-3,6-4 | |
| WTA Hong Kong Qual | 10/08 02:00 | 46 | [148] Jil Teichmann v Alexa Guarachi [413] | 4-6,6-1,2-6 | |
| WTA Hong Kong Qual | 10/07 02:00 | 45 | [148] Jil Teichmann v Valeria Savinykh [270] | 7-6,6-3 | |
| WTA Beijing Qual | 09/29 05:05 | 45 | [170] Jil Teichmann v Monica Puig [77] | 4-6,1-6 | |
| WTA Wuhan | 09/26 08:55 | 25 | [9] Dominika Cibulkova v Jil Teichmann [170] | 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.