| ITF Women Shenzhen | 11/07 02:30 | 25 | [144] Jil Teichmann v Su Jeong Jang [201] | 3-6,6-4,3-6 | |
| WTA Luxembourg | 10/14 10:25 | 46 | [158] Jil Teichmann v Eugenie Bouchard [110] | 3-6,1-6 | |
| WTA Luxembourg | 10/13 12:00 | 45 | [306] Greta Arn v Jil Teichmann [158] | 6-7,3-6 | |
| WTA Linz | 10/10 19:35 | 26 | [32] Camila Giorgi v Jil Teichmann [158] | 7-6,6-3 | |
| WTA Linz | 10/09 09:00 | 25 | [80] Sorana Cirstea v Jil Teichmann [158] | 4-6,2-6 | |
| WTA Linz | 10/08 09:00 | 46 | [141] Tereza Smitkova v Jil Teichmann [158] | 4-6,6-1,3-6 | |
| WTA Linz | 10/07 11:50 | 45 | [159] Jil Teichmann v Arantxa Rus [104] | 6-7,7-6,6-4 | |
| WTA Wuhan | 09/21 06:30 | 45 | [44] Katerina Siniakova v Jil Teichmann [151] | 6-3,6-3 | |
| WTA Seoul | 09/18 05:00 | 25 | [151] Jil Teichmann v Su-Wei Hsieh [29] | 6-2,1-6,6-7 | |
| WTA Seoul | 09/16 03:00 | 64 | [136] Jil Teichmann v Bibiane Schoofs [188] | 6-4,4-6,7-5 | |
| WTA Seoul | 09/15 04:05 | 45 | [136] Jil Teichmann v Amandine Hesse [238] | 6-4,6-0 | |
| US Open - Damer | 08/29 20:45 | 24 | [44] Kaia Kanepi v Jil Teichmann [168] | 6-4,6-3 | |
| US Open - Damer | 08/27 15:00 | 23 | [168] Jil Teichmann v Dalila Jakupovic [91] | 6-3,6-0 | |
| US Open - Damer | 08/24 15:00 | 46 | [168] Jil Teichmann v Sofya Zhuk [142] | 6-1,7-5 | |
| US Open - Damer | 08/23 17:20 | 45 | [168] Jil Teichmann v Mayo Hibi [209] | 6-4,6-4 | |
| US Open - Damer | 08/21 15:00 | 44 | [63] Saisai Zheng v Jil Teichmann [168] | 6-7,6-3,0-6 | |
| ITF Women Hechingen | 08/09 12:30 | 26 | [164] Jil Teichmann v Varvara Flink [266] | 1-6,6-2,2-6 | |
| ITF Women Hechingen | 08/08 15:25 | 25 | [164] Jil Teichmann v Alexandra Cadantu [254] | 6-2,6-0 | |
| ITF Women Porto | 07/29 10:00 | 29 | [168] Jil Teichmann v Cristina Bucsa [215] | 6-7,1-6 | |
| ITF Women Porto | 07/28 10:00 | 28 | Jil Teichmann v Olga Saez Larra | 6-2,6-4 | |
| ITF Women Porto | 07/27 11:45 | 27 | [168] Jil Teichmann v Martina Colmegna [457] | 7-5,6-4 | |
| ITF Women Porto | 07/26 13:00 | 26 | Jil Teichmann v Greet Minnen | Walkover | |
| ITF Women Porto | 07/24 09:30 | 25 | Jil Teichmann v Jade Suvrijn | 6-2,6-3 | |
| WTA Gstaad | 07/16 10:30 | 25 | [171] Jil Teichmann v Veronika Kudermetova [141] | 4-6,6-1,2-6 | |
| ITF Women Rome | 07/07 14:30 | 28 | [219] Anastasia Potapova v Jil Teichmann [182] | 7-6,7-6 | |
| ITF Women Rome | 07/06 17:50 | 27 | [139] Sofya Zhuk v Jil Teichmann [182] | 2-6,3-6 | |
| ITF Women Rome | 07/05 19:20 | 26 | [182] Jil Teichmann v Ludmilla Samsonova [376] | 6-2,6-2 | |
| ITF Women Rome | 07/03 12:10 | 25 | [267] Camilla Rosatello v Jil Teichmann [182] | 3-6,3-6 | |
| ITF Women Perigueux | 06/26 08:30 | 25 | [179] Jil Teichmann v Nadia Podoroska [363] | 6-1,2-6,4-6 | |
| French Open Women Qual | 05/22 08:00 | 44 | [168] Jil Teichmann v Grace Min [197] | 4-6,6-3,2-6 |
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.