Aug 13 (OPTA) - Results from the ATP World Tour Masters 1000 / WTA Premier, Cincinnati Masters Men's Doubles matches on Monday .. 1st Round .. 3-Raven Klaasen (RSA) and beat Laslo Djere (SRB) and 6-3 6-1 Michael Venus (NZL) Dusan Lajovic (SRB) 6-Mate Pavic (CRO) and beat Kevin Krawietz (GER) and 7-6(2) 4-6 Bruno Soares (BRA) Andreas Mies (GER) 1-0(7) Jamie Murray (GBR) and beat Nicholas Monroe (USA) and 6-7(3) 6-2 Neal Skupski (GBR) Tennys Sandgren (USA) 1-0(8) Ryan Harrison (USA) and beat Oliver Marach (AUT) and 6-2 6-2 Jack Sock (USA) Jurgen Melzer (AUT) 8-Bob Bryan (USA) and beat Jeremy Chardy (FRA) and 7-6(4) 3-6 Mike Bryan (USA) Fabrice Martin (FRA) 1-0(7) Ivan Dodig (CRO) and beat David Goffin (BEL) and 6-1 6-3 Filip Polasek (SVK) Hubert Hurkacz (POL) 2-Lukasz Kubot (POL) and beat Novak Djokovic (SRB) and 6-2 6-3 Marcelo Melo (BRA) Janko Tipsarevic (SRB)