| WTA Brisbane | 12/29 02:55 | 14 | [205] Priscilla Hon v Julia Riera [139] | 6-3,6-7,3-6 | |
| ITF W60 Vacaria | 12/15 18:35 | 28 | [287] Selena Janicijevic v Julia Riera [142] | 6-3,3-6,6-4 | |
| ITF W60 Vacaria | 12/14 18:05 | 27 | Thaisa Grana Pedretti v Julia Riera | 6-7,4-6 | |
| ITF W60 Vacaria | 12/13 16:20 | 26 | Martina Okalova v Julia Riera | 1-6,1-6 | |
| ITF W60 Vacaria | 12/12 15:35 | 25 | Anna Ulyashchenko v Julia Riera | 2-6,2-6 | |
| WTA Montevideo | 12/08 17:50 | 27 | [140] Maria Lourdes Carle v Julia Riera [148] | 6-4,6-0 | |
| WTA Montevideo | 12/06 16:00 | 26 | [241] Ipek Oz v Julia Riera [148] | 6-4,4-6,3-6 | |
| WTA Montevideo | 12/05 15:00 | 25 | [305] Carolina Alves v Julia Riera [148] | 3-6,1-6 | |
| WTA Buenos Aires | 12/02 18:40 | 28 | [175] Maria Lourdes Carle v Julia Riera [163] | 2-6,6-3,6-1 | |
| WTA Buenos Aires | 12/02 13:00 | 27 | [292] Polona Hercog v Julia Riera [163] | 3-6,4-6 | |
| WTA Buenos Aires | 11/30 19:05 | 26 | [201] Miriam Bulgaru v Julia Riera [163] | 2-6,3-6 | |
| WTA Buenos Aires | 11/28 18:45 | 25 | [278] Selena Janicijevic v Julia Riera [163] | 5-7,3-6 | |
| WTA Florianopolis | 11/20 15:00 | 25 | [156] Julia Riera v Despina Papamichail [224] | 4-6,6-7 | |
| WTA Colina | 11/15 21:30 | 25 | [59] Mayar Sherif v Julia Riera [157] | 6-2,6-4 | |
| Billie Jean King Cup | 11/11 13:25 | 4 | [117] Viktoria Hruncakova v Julia Riera [158] | 3-6,6-4,6-4 | |
| Billie Jean King Cup | 11/10 14:00 | 1 | [71] Anna Karolina Schmiedlova v Julia Riera [158] | 5-7,5-7 | |
| ITF W80 Macon | 10/18 15:50 | 25 | [160] Julia Riera v Alexandra Vecic [405] | 6-7,6-7 | |
| ITF W60 Rancho Santa Fe | 10/12 17:00 | 26 | Julia Riera v Sayaka Ishii | 3-6,4-6 | |
| ITF W60 Rancho Santa Fe | 10/11 18:45 | 25 | Julia Riera v Tori Kinard | 6-1,6-7,6-2 | |
| US Open Women | 08/25 20:45 | 15 | [147] Julia Riera v Emina Bektas [128] | 3-6,4-6 | |
| US Open Women | 08/23 18:05 | 14 | Chloe Beck v Julia Riera | 2-6,1-6 | |
| WTA Barranquilla | 08/15 21:35 | 25 | [171] Carole Monnet v Julia Riera [140] | 6-3,6-2 | |
| ITF W80 Brasilia | 08/11 13:00 | 27 | [164] Leolia Jeanjean v Julia Riera [141] | 6-2,7-6 | |
| ITF W80 Brasilia | 08/09 12:50 | 26 | [295] Valeriya Strakhova v Julia Riera [141] | 6-4,3-6,4-6 | |
| ITF W80 Brasilia | 08/07 19:20 | 25 | [485] Michaela Laki v Julia Riera [143] | 5-7,3-6 | |
| WTA Lausanne | 07/26 11:30 | 26 | [143] Julia Riera v Elisabetta Cocciaretto [42] | 1-6,6-3,3-6 | |
| WTA Lausanne | 07/24 14:35 | 25 | Julia Riera v Patricia Maria Tig | 6-2,6-1 | |
| WTA Iasi | 07/17 12:00 | 25 | [140] Julia Riera v Danka Kovinic [95] | 3-6,4-6 | |
| WTA Bastad | 07/11 09:00 | 25 | [150] Julia Riera v Katie Volynets [125] | 4-6,5-7 | |
| ITF W60 Montpellier | 07/08 13:00 | 28 | [150] Julia Riera v Astra Sharma [255] | 0-6,7-6,3-6 |