| ITF W60 Saint-Gaudens | 05/10 10:10 | 54 | Lulu Sun v Tiantsoa S R Rajaonah | 6-4,6-2 | |
| ITF W60 Saint-Gaudens | 05/09 08:15 | 54 | Tiantsoa S R Rajaonah v Lois Boisson | 3-6,6-3,10-6 | |
| ITF W25 Macon | 02/20 10:40 | 54 | Arlinda Rushiti v Tiantsoa S R Rajaonah | 6-3,6-3 | |
| ITF W15 Castellon | 11/01 11:00 | 44 | Tiantsoa S R Rajaonah v Lucia Peyre | 4-6,2-6 | |
| ITF W15 Castellon | 10/31 11:00 | 44 | Mina Matsuba v Tiantsoa S R Rajaonah | 6-2,3-6,8-10 | |
| ITF W60 Montpellier | 06/27 13:35 | 54 | Guiomar MZD Reales v Tiantsoa S R Rajaonah | 6-3,6-2 | |
| ITF W25 Périgueux | 06/21 11:20 | 54 | Alice Tubello v Tiantsoa S R Rajaonah | 7-6,6-4 | |
| ITF W25 Périgueux | 06/21 07:30 | 54 | Tiantsoa S R Rajaonah v Joanna Tomera | 7-6,6-3 |
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.