As Russian missiles continue to pound her country, Ukraine's No. 2 tennis player Marta Kostyuk says she will not shake hands with tour rivals from Russia and Belarus who she feels have not done enough to speak out against the invasion.

The 20-year-old Kyiv native generated headlines last year when she refused the customary handshake at the net with former world No. 1 Victoria Azarenka after the Belarusian beat her at the U.S. Open.

Belarus is being used as a key staging ground for Russia's war in Ukraine, which Moscow terms a "special operation."