Tiantsoa Sarah Rakotomanga Rajaonah vs Valentina Ryser Prediction & Picks - WTA 125K Caldas Da Rainha, Portugal Women Singles

Prediction published on 9/16/25, 5:37 AM  by Lou Aguila | Modified on 9/17/25 at 1:37 AM in Tennis Picks

Fresh off a title at the Sao Paulo Open, Tiantsoa Rakotomanga Rajaonah will kick-start a fresh campaign on Tuesday against Valentina Ryzer of Switzerland at Full Protein Caldas da Rainha Ladies Open.

Can Rajaonah, a -225 favorite against Ryzer, sustain her red-hot form?

Current Form:

Rajaonah will go for back-to-back titles at Caldas Rainha in Portugal, where she will take on a much lighter playing field composed of players outside the WTA top 100. Rajanoah made headlines over the weekend after capturing the WTA 250 Sao Paolo Open, winning five matches in a row – including victories over WTA top-100 Renata Zarazua 6-3 6-2 and rising star Janice Tjen of Indonesia 6-3 6-4 . The title-clinching run has catapulted Rajaonah to No. 131 in the rankings.

Ryzer will attempt to end her 7-match losing streak that began with a 3-6, 3-6 loss to Victoria Mboko in the second qualification match at the 2025 Wimbledon Open. The Swiss netter has never tasted a win since then, with her most recent loss coming at the hands of Kaja Juvan 1-6, 3-6 at the 2025 Zavarovalnica Sava – Ljubljana a week ago.