| ITF W15 Valencia | 12/04 13:00 | 62 | Tiantsoa S R Rajaonah v Sofia Avataneo | 6-0,6-1 | |
| ITF W15 Valencia | 12/01 09:00 | 26 |
Tiantsoa S R Rajaonah v
Lucia Cortez Llorca
|
6-2,4-6,3-6 | |
| ITF W15 Valencia | 11/30 09:30 | 25 | Antonia Samudio v Tiantsoa S R Rajaonah | 3-6,3-6 | |
| ITF W15 Valencia | 11/29 09:00 | 62 | GKS Wawel Wirek v Tiantsoa S R Rajaonah | 2-6,1-6 | |
| ITF W15 Valencia | 11/28 09:30 | 62 | Carmen Garri Murcia v Tiantsoa S R Rajaonah | 0-6,3-6 | |
| ITF W15 Valencia | 11/27 15:30 | 62 | Raquel Caballero Chica v Tiantsoa S R Rajaonah | 6-2,4-6,6-10 | |
| ITF W15 Dijon | 09/14 13:25 | 26 | Tiantsoa S R Rajaonah v Vivian Wolff | 4-6,3-6 | |
| ITF W15 Dijon | 09/13 08:00 | 25 | Enola Chiesa v Tiantsoa S R Rajaonah | 4-6,3-6 | |
| ITF W25 Saint Palais Sur Mer | 09/07 11:00 | 25 |
Jessica Pieri
v
Tiantsoa S R Rajaonah |
6-3,7-6 | |
| ITF W25 Saint Palais Sur Mer | 09/05 14:05 | 54 | Schena Benamar v Tiantsoa S R Rajaonah | 3-6,2-6 | |
| ITF W25 Saint Palais Sur Mer | 09/04 13:20 | 54 | Tiantsoa S R Rajaonah v Julie Myatovic | 6-2,6-3 | |
| ITF W25 Perigueux | 06/21 10:50 | 25 | Flavie Brugnone v Tiantsoa S R Rajaonah | 6-2,6-0 | |
| 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 Perigueux | 06/21 11:20 | 54 |
Alice Tubello
v
Tiantsoa S R Rajaonah |
7-6,6-4 | |
| ITF W25 Perigueux | 06/21 07:30 | 54 | Tiantsoa S R Rajaonah v Joanna Tomera | 7-6,6-3 |
Tiantsoa Sarah "Titi" Rakotomanga Rajaonah (born 15 December 2005) is a French professional tennis player. She has a career-high singles ranking of world No. 117, achieved on 5 January 2026, by the WTA, and a best doubles ranking of No. 186, reached on 6 October 2025. She has won one title on the WTA Tour in São Paulo in 2025.
Rakotomanga Rajaonah has found significant success in singles, claiming titles at various ITF events. Her first title was at a W15 tournament in Valencia, Spain, in December 2022. Following that, she secured another victory at the W15 event in Melilla, Spain, in December 2023. In March 2024, she added to her accolades with a win at the W15 tournament in Gonesse, France, and in August 2024, she triumphed at the W50 event in Arequipa, Peru.
Her ITF doubles titles started with a win at Valencia, alongside Martina Genis Salas in December 2023. She then teamed up with Elena Ruxandra Bertea to win the W15 tournament in Le Havre, France, in March 2024. Additionally, she triumphed with Émeline Dartron at the W75 Open in Saint-Gaudens, France, in both May 2024 and again in May 2025.
Rakotomanga Rajaonah made her WTA Tour debut as a qualifier at the 2025 Rouen Open, defeating Lucia Bronzetti and Jaqueline Cristian to reach her first WTA Tour quarterfinal. As a result, she reached the top 250 in the rankings, on 21 April 2025.
On September 14, 2025 she claimed her first WTA title at the SP Open by defeating Janice Tjen. After winning the title, Rakotomanga Rajaonah achieved a career-high ranking of world No. 131, before she peaked at No. 122 on 3 November 2025.