Sixth-seeded American Steve Johnson has ended Australian John Millman’s Nottingham Open campaign with a 6-2 6-2 victory at the grasscourt tournament.

Top seed Kevin Anderson beat Ivan Dodig of Croatia 6-3 6-7 (7-5) 6-3 with Damir Dzumhur eliminating the defending champion Denis Istomin of Uzbekistan 1-6 7-6 (7-4) 6-4 and then lost in straight sets a few hours later to Vasek Pospisil 6-1 6-4.

Former top-10 player Mikhail Youzhny, who won the last of his 10 titles in 2013, beat Pablo Carreno Busta 6-1 6-4 in the second round, while Dudi Sela of Israel defeated third-seeded Joao Sousa 6-3 7-6 (7-3).

Other winners included Sam Querrey, Alexandr Dolgopolov, Andreas Seppi, Gilles Muller and Marcos Baghdatis.