There will be a Russian in the 2018 Kremlin Cup final as Daniil Medvedev and Karen Khachanov will square off in one semi-final.
Second seed Medvedev, who is looking for his fourth ATP Tour singles trophy of the season, reached the last four with a 6-2, 1-6, 6-4 win over Ricardas Berankis.
The third-ranked Khachanov, who won the Open 13 in February, secured his place in the semi-finals with a 6-2, 7-6 (7-5) win over Mirza Basic from Bosnia.
The other semi-final will see Adrian Mannarino take on Andreas Seppi.
Frenchman Mannarino, who stunned top seed Marco Cecchinato in the second round, overcame Egor Gerasimov 7-6 (7-3), 6-3 while Italian Seppi was a 6-4, 7-6 (7-2) winner over Filip Krajinovic.
Novak Djokovic gives more info on Adria Tour.
Petra Kvitova not keen on majors without fans.
Novak Djokovic “fit and in good shape”.
Basilashvili charged with domestic violence.
Tennis trio features in Nike ad.
NZ Premier League set to start on June 3.
Roger Federer not a fan of behind-closed-doors tournaments.
Dan Evans keen on competing in ‘amazing spectacle’.
Roger Federer taking it easy.
Roland Garros eager to avoid US Open clash.