Sixth seed Nadal will have to beat reigning US Open champion Daniil Medvedev on Sunday to make history. No.2 Medvedev of Russia is chasing a piece of history of his own after reeling off the last five games to defeat Stefanos Tsitispas 7-6(5), 4-6, 6-4, 6-1 in a heated semi-final contest. The 25-year-old is aiming to become the first man in the Open era to win his second Grand Slam title at the next major tournament.