| ITF - W100 Biarritz | 06/12 10:05 | 25 | [265] Victoria J Kasintseva v Tiantsoa S R Rajaonah [424] | 6-2,6-2 | |
| ITF - W100 Biarritz | 06/11 09:00 | 54 | [424] Tiantsoa S R Rajaonah v Jenny Lim [491] | 6-2,6-3 | |
| ITF - W100 Biarritz | 06/10 10:40 | 54 | [273] Valeriya Strakhova v Tiantsoa S R Rajaonah [424] | 2-6,0-6 | |
| ITF - W35 Kursumlijska Banja | 06/06 07:00 | 26 | [468] Ksenia Laskutova v Tiantsoa S R Rajaonah [433] | 4-6,6-3,6-2 | |
| ITF - W35 Kursumlijska Banja | 06/05 07:00 | 25 | [433] Tiantsoa S R Rajaonah v Andreea Prisacariu [491] | 6-1,4-6,6-3 | |
| Open de France - Femmes | 05/21 11:45 | 14 | [145] Eva Lys v Tiantsoa S R Rajaonah [433] | 6-4,7-5 | |
| ITF - W75 Saint-Gaudens | 05/07 11:15 | 54 | Aravane Rezai v Tiantsoa S R Rajaonah | 6-4,6-2 | |
| ITF - W75 Saint-Gaudens | 05/06 16:45 | 54 | Astrid Cirotte v Tiantsoa S R Rajaonah | 0-6,4-6 | |
| ITF - W35 Anapoima | 05/02 15:00 | 26 | Tiantsoa S R Rajaonah v Miriana Tona | 6-3,5-7,5-7 | |
| ITF - W35 Anapoima | 05/01 20:55 | 25 | Tiantsoa S R Rajaonah v Camila Romero | 6-4,6-3 | |
| ITF - W35 Mosquera | 04/24 14:00 | 26 | Tiantsoa S R Rajaonah v Nicole Fossa Huergo | 4-6,7-6,3-6 | |
| ITF - W35 Mosquera | 04/23 14:30 | 25 | Weronika Baszak v Tiantsoa S R Rajaonah | 6-3,1-6,1-6 | |
| ITF - W35 Bujumbura | 04/13 12:30 | 28 | Tiantsoa S R Rajaonah v Weronika Falkowska | 4-6,4-6 | |
| ITF - W35 Bujumbura | 04/12 08:00 | 27 | Tiantsoa S R Rajaonah v Sada Nahimana | 6-4,6-2 | |
| ITF - W35 Bujumbura | 04/11 09:05 | 26 | Ksenia Laskutova v Tiantsoa S R Rajaonah | 6-3,1-6,3-6 | |
| ITF - W35 Bujumbura | 04/09 10:45 | 25 | Tiantsoa S R Rajaonah v Cynthia Wanjala | 6-0,6-3 | |
| ITF - W35 Bujumbura | 04/02 10:15 | 25 | Tiantsoa S R Rajaonah v Merel Hoedt | 4-6,6-7 | |
| ITF - W15 Le Havre | 03/24 14:00 | 29 | Alice Tubello v Tiantsoa S R Rajaonah | 6-3,1-6,6-3 | |
| ITF - W15 Le Havre | 03/23 12:25 | 28 | Tiantsoa S R Rajaonah v Camilla Gennaro | 6-4,7-6 | |
| ITF - W15 Le Havre | 03/22 11:55 | 27 | Maneva Rakotomalala v Tiantsoa S R Rajaonah | 2-6,3-6 | |
| ITF - W15 Le Havre | 03/21 16:00 | 26 | Tiantsoa S R Rajaonah v Antonia Schmidt | 6-3,6-3 | |
| ITF - W15 Le Havre | 03/20 09:00 | 25 | Tiantsoa S R Rajaonah v Tilwith Di Girolami | 6-3,6-2 | |
| ITF - W15 Gonesse | 03/17 13:25 | 29 | Tiantsoa S R Rajaonah v Emeline Dartron | 6-4,6-3 | |
| ITF - W15 Gonesse | 03/16 13:00 | 28 | Tiantsoa S R Rajaonah v Fiona Ganz | 7-6,6-3 | |
| ITF - W15 Gonesse | 03/15 13:00 | 27 | Kajsa Rinaldo Persson v Tiantsoa S R Rajaonah | 1-6,6-7 | |
| ITF - W15 Gonesse | 03/14 10:00 | 26 | Bojana Marinkovic v Tiantsoa S R Rajaonah | 0-6,6-2,3-6 | |
| ITF - W15 Gonesse | 03/12 10:55 | 25 | Tiantsoa S R Rajaonah v Tiphanie Lemaitre | 6-3,6-1 | |
| ITF - W15 Sharm El Sheikh | 02/28 13:45 | 25 | Tiantsoa S R Rajaonah v Laura Samson | 6-2,3-6,1-6 | |
| ITF - W15 Sharm El Sheikh | 02/22 09:25 | 26 | Irina Balus v Tiantsoa S R Rajaonah | 6-3,4-6,6-3 | |
| ITF - W15 Sharm El Sheikh | 02/21 12:30 | 25 | Anouck Vrancken Peeters v Tiantsoa S R Rajaonah | 2-6,4-6 |
Tiantsoa Sarah Rakotomanga Rajaonah (born 15 December 2005) is a French professional tennis player.
She has career-high WTA rankings of 552 in singles and 433 in doubles, both attained on 20 May 2024.
In 2022, she won her first singles title in Valencia, Spain. A year later, she achieved her second victory in Melilla, Spain.
Rakotomanga Rajaonah won her first major ITF title at the W75 in Saint-Gaudens in the doubles draw, partnering Émeline Dartron.