| ITF Women Hua Hin | 05/11 08:00 | 27 | [303] Nicha Lertpitaksinchai v Harriet Dart [320] | 0-6,3-6 | |
| ITF Women Hua Hin | 05/10 05:40 | 26 | Nicha Lertpitaksinchai v Sara Tomic | 5-7,6-3,6-0 | |
| ITF Women Hua Hin | 05/09 03:00 | 25 | Nicha Lertpitaksinchai v Britt Geukens | 6-0,6-2 | |
| ITF Women Gifu Qual | 04/30 04:05 | 54 | [301] Nicha Lertpitaksinchai v Haruna Arakawa [497] | 6-7,2-6 | |
| ITF Women Kashiwa | 04/04 03:05 | 25 | Nicha Lertpitaksinchai v Momoko Kobori | 2-6,3-6 | |
| ITF Women Kofu | 03/28 01:00 | 25 | [293] Nicha Lertpitaksinchai v Luksika Kumkhum [198] | 1-6,3-6 | |
| ITF Women Nishi-Tama | 03/22 00:30 | 25 | Nicha Lert'chai v Mizuno Kijima | 7-5,2-6,2-6 | |
| 2017 Fed Cup | 02/10 04:33 | - | Nicha Lertpitaksinchai v Galina Voskoboeva | 1-6,1-6 | |
| ITF Women Hong Kong | 01/03 06:15 | 25 | Jia-Jing Lu v Nicha Lertpitaksinchai | 6-3,6-0 | |
| WTA Taipei Qual | 11/14 02:00 | 46 | Ashleigh Barty v Nicha Lertpitaksinchai | 6-0,6-2 | |
| WTA Taipei Qual | 11/13 03:00 | 45 | Kotomi Takahata v Nicha Lertpitaksinchai | 3-6,4-6 | |
| ITF Women Tokyo Qual | 11/06 02:55 | 54 | Nicha Lert'chai v Jasmine Paolini | 1-6,2-6 | |
| ITF Women Tokyo Qual | 11/05 03:35 | 54 | Miki Miyamura v Nicha Lert'chai | 1-6,4-6 | |
| ITF Women Liuzhou | 10/25 03:55 | 25 | Ipek Soylu v Nicha Lertpitaksinchai | 6-2,6-3 | |
| ITF Women Suzhou | 10/18 02:00 | 25 | Yafan Wang v Nicha Lertpitaksinchai | 6-4,6-1 | |
| WTA Hong Kong Qual | 10/08 05:15 | 45 | Nicha Lertpitaksinchai v Anastasia Pivovarova | 1-6,1-6 | |
| ITF Women Hua Hin | 10/01 04:00 | 29 | Arantxa Rus v Nicha Lertpitaksinchai | 3-6,7-6,7-6 | |
| ITF Women Hua Hin | 09/30 04:00 | 28 | Aleksandrina Naydenova v Nicha Lertpitaksinchai | 6-1,1-6,4-6 | |
| ITF Women Hua Hin | 09/29 04:00 | 27 | Nicha Lertpitaksinchai v Jia-Jing Lu | 6-2,2-6,6-1 | |
| ITF Women Hua Hin | 09/28 03:00 | 26 | Nicha Lertpitaksinchai v Jiaxi Lu | 6-2,6-4 | |
| ITF Women Hua Hin | 09/27 06:40 | 25 | Nicha Lertpitaksinchai v Plobrung Plipuech | 6-4,6-2 | |
| WTA Seoul Qual | 09/18 03:35 | 46 | Nicha Lertpitaksinchai v Renata Voráčová | 3-6,0-6 | |
| WTA Seoul Qual | 09/17 08:00 | 45 | Mi Jeong Kwon v Nicha Lertpitaksinchai | 2-6,5-7 | |
| ITF Women Zhuhai | 09/16 04:05 | 27 | Jia-Jing Lu v Nicha Lert'chai | 7-5,2-6,7-6 | |
| ITF Women Zhuhai | 09/15 03:55 | 26 | Nicha Lert'chai v Ya-Hsuan Lee | 6-3,7-6 | |
| ITF Women Zhuhai | 09/14 02:00 | 25 | Ran Tian v Nicha Lert'chai | 3-6,2-6 | |
| WTA Dalian Qual | 09/05 07:00 | 46 | Jing-Jing Lu v Nicha Lertpitaksinchai | 7-5,4-6,6-4 | |
| WTA Dalian Qual | 09/04 06:10 | 45 | Jessica Moore v Nicha Lertpitaksinchai | 2-6,3-6 | |
| Challenger Kaohsiung | 06/23 03:55 | 26 | Ayano Shimizu v Nicha Lertpitaksinchai | 3-6,6-2,6-4 | |
| Challenger Kaohsiung | 06/22 04:25 | 25 | Yu-Chieh Hsieh v Nicha Lertpitaksinchai | 6-7,2-6 |