Wimbledon mixed doubles champion Sem Verbeek says his "heart is bleeding" over the US Open's change to the format.

Katerina Siniakova added to her collection of major titles by winning the mixed doubles at Wimbledon with Sem Verbeek in a 7-6 (3), 7-6 (3) victory over Luisa Stefani and Joe Salisbury on Thursday. Siniakova,

Great Britain's Salisbury and Stefani of Brazil came out on top in a tight semifinal to secure their place in the mixed doubles final at Wimbledon. The duo upset No. 2 seed Zhang Shuai of China and Salvadoran Marcelo Arevalo in two sets, 7-6 (8-6), 7-6 (7-4).