The first day of the Regional Team Tennis Winter Championships was heavily affected by bad weather. All three scheduled women's First Series matches (Ct Decimomannu A-Torres Tennis, Quattro Mori Tennis Team-Polisportiva Cold Water Siliqua and the Tc Cagliari derby between team B and team A have been postponed (while Tc Trexenta observed a rest shift).
Instead, it was played, mainly indoors, in the men's First Series (Tc Cagliari A rest). Debut with away victory for Quattro Mori Tennis Team A, who beat the Tc Terranova A field 3-0 without losing a set, thanks to the victories of Mauro Testa and Daniele Caoci in singles and the Rinaldi / Caoci duo in doubles. 3-0 at home for Torres, who overcame NTC Margine Rosso.

Battle and challenge solved with double the one that saw Tc Su Planu overcome 2-1 against Tc Moneta 2021. Parity after the singles, with Federico Visioli who beat Gino Asara and Andrea Calcagno who equalized the scores by overcoming Pierluigi Piredda. Double decisive, with the two from Cagliari who overtook the Gallura couple in two sets.