| Fed Cup 2019 | 02/08 10:00 | - | [112] Olga Danilovic v Jana Fett [262] | 2-6,6-2,7-6 | |
| Fed Cup 2019 | 02/07 11:35 | - | [262] Jana Fett v Ekaterine Gorgodze [151] | 6-4,3-6,5-7 | |
| WTA San Pietroburgo | 01/27 11:50 | 46 | [218] Jana Fett v Ekaterina Alexandrova [72] | 6-7,0-6 | |
| WTA San Pietroburgo | 01/26 18:55 | 45 | [173] Valentini Grammatikopoulou v Jana Fett [218] | 1-6,1-6 | |
| Australian Open femminili | 01/08 00:35 | 44 | [119] Sofya Zhuk v Jana Fett [220] | 5-7,6-2,6-4 | |
| WTA Mumbai | 10/30 07:30 | 25 | [212] Bibiane Schoofs v Jana Fett [205] | 6-3,6-2 | |
| WTA Lussemburgo | 10/15 08:00 | 54 | [203] Jana Fett v Arantxa Rus [111] | 6-3,5-7,1-6 | |
| WTA Lussemburgo | 10/14 10:40 | 46 | [148] Karolina Muchova v Jana Fett [173] | Walkover | |
| WTA Lussemburgo | 10/13 17:35 | 45 | [335] Lena Rueffer v Jana Fett [173] | 4-6,6-2,3-6 | |
| WTA Tashkent | 09/24 05:00 | 25 | [114] Fiona Ferro v Jana Fett [167] | 1-6,7-6,6-1 | |
| WTA Tokyo | 09/15 01:00 | 45 | [129] Jana Fett v Danielle Lao [234] | 3-6,2-6 | |
| WTA Hiroshima | 09/11 02:30 | 25 | [129] Jana Fett v Amanda Anisimova [134] | 1-6,1-6 | |
| WTA Chicago | 09/05 19:50 | 25 | [37] Danielle Collins v Jana Fett [125] | 6-2,6-0 | |
| US Open femminili | 08/24 17:00 | 46 | [236] Danielle Lao v Jana Fett [128] | 6-4,6-4 | |
| US Open femminili | 08/23 19:35 | 45 | Lina Gjorcheska v Jana Fett | 3-6,6-2,3-6 | |
| US Open femminili | 08/22 15:00 | 44 | [215] Yuxuan Zhang v Jana Fett [128] | 4-6,6-2,3-6 | |
| Wimbledon Femminile | 07/03 17:50 | 23 | [114] Jana Fett v Daria Kasatkina [14] | 2-6,5-7 | |
| WTA Nottingham | 06/11 13:45 | 25 | [84] Vera Lapko v Jana Fett [107] | 7-6,6-4 | |
| ITF Femminile Surbiton | 06/07 16:25 | 26 | [109] Jana Fett v Katie Boulter [163] | 5-7,4-6 | |
| ITF Femminile Surbiton | 06/05 10:00 | 25 | [109] Jana Fett v Lizette Cabrera [156] | 6-1,6-4 | |
| Open di Francia Femminile - Qual. | 05/23 10:55 | 44 | Jana Fett v Diane Parry | 6-7,6-1,5-7 | |
| ITF Femminile Trnava | 05/16 11:50 | 25 | [109] Jana Fett v Nicole Gibbs [115] | 6-3,6-7,2-6 | |
| ITF Femminile Cagnes-Sur-Mer | 05/08 08:30 | 25 | [106] Jana Fett v Nicole Gibbs [117] | 2-6,6-7 | |
| WTA Rabat | 05/03 11:25 | 27 | [112] Jana Fett v Ajla Tomljanovic [96] | 6-3,3-6,3-6 | |
| WTA Rabat | 05/02 12:30 | 26 | [141] Magdalena Frech v Jana Fett [112] | 2-6,4-6 | |
| WTA Rabat | 04/30 14:05 | 25 | [112] Jana Fett v Sachia Vickery [78] | 6-2,3-6,6-3 | |
| WTA Monterrey | 04/05 18:00 | 26 | [109] Jana Fett v Magdalena Rybarikova [17] | 5-7,2-6 | |
| WTA Monterrey | 04/03 16:00 | 25 | [185] Valentini Gramma'poulou v Jana Fett [109] | 0-6,2-6 | |
| WTA Miami Qual. | 03/19 14:00 | 44 | [138] Barbora Krejcikova v Jana Fett [112] | Retired | |
| WTA Indian Wells - Qual. | 03/05 19:00 | 44 | Jana Fett v Bernarda Pera | 3-6,4-6 |
Wikipedia - Jana Fett
Jana Fett (Zagabria, 2 novembre 1996) è una tennista croata.