Tennis Tracker: Spain, Italy, Great Britain and USA all secure Davis Cup victories
23:12 CET - Carlos Alcaraz (21) won his doubles match at the Davis Cup 6-7(2), 6-3, 7-6(2) as Spain secured a clean sweep of the Czech Republic.
22:18 CET - Victoria Azarenka (35) is out of Guadalajara after the Belarusian retired from her contest when trailing Kamilla Rakhimova (23) 2-6, 0-3.
20:51 CET - Matteo Arnaldi (23) has won a titanic battle with Thiago Monteiro (30), securing a 7-5, 6-7(4), 7-6 victory in a whopping three hours and 42 minutes. The win means Italy have gone 2-0 up and triumphed in their tie with Brazil.
20:13 CET - Carlos Alcaraz (21) was involved in a tight tussle with Tomas Machac (23), but with the score locked at 6-7(3), 6-1, the latter retired from the match, meaning Spain have won their tie with the Czech Republic.
18:32 CET - In the first match of the day in Monastir, Brit Sonay Kartal (22) crushed Mai Hontama (25) 6-2, 6-2 to move into her first WTA quarter-final.
18:09 CET - Great Britain have won their tie with Finland, claiming an unassailable 2-0 lead after Billy Harris (29) defeated Otto Virtanen (23) 6-4, 7-6(4).
Spain have also taken a 1-0 lead against the Czech Republic, with veteran Roberto Bautista Agut (36) clinching an impressive 7-6(1), 6-4 win over Jiri Lehecka (22).
Carlos Alcaraz (21) will now look to seal the tie for the Spaniards against Tomas Machac (23), and you can follow his match here.
15:54 CET - Dan Evans (34) has given Great Britain the lead in their tie with Finland, beating Eero Vasa (27) 7-6(3), 6-2.
14:07 CET - The USA have completed a comfortable 3-0 triumph over Chile, with Austin Krajicek (34) and Rajeev Ram (40) coming from behind to defeat Tomas Barrios Vera (26) and Matias Soto (25) 4-6, 6-4, 7-6(3) in the final rubber.
10:58 CET - Brandon Nakashima (23) has made it 2-0 to the USA against Chile, beating Alejandro Tabilo (27) 7-6, 2-6, 7-6 to win the tie. Follow the final doubles rubber here!
10:30 CET - The Davis Cup is underway today with the USA taking on Chile in the first tie. Reilly Opelka (27) downed Cristian Garin (28) in the first singles rubber 6-3, 4-6, 7-6. Follow the second match here!
10:00 CET - Hello, and welcome to the Tennis Tracker, today is all about the Davis Cup until the ladies hit the courts of Monastir and Guadalajara later on.
