Top seeds Leander Paes [ Images ] and Lukas Dlouhy [ Images ] progressed to the semi-finals of the UNICEF Open, defeating Thiemo de Bakker and Robin Haase in straight sets in s-Hertogenbosch, The Netherlands.

The Indo-Czech pair beat the Dutch wild card entrants 7-5, 6-3 in the quarter-finals of the ATP 250 event.

The French Open [ Images ] runners-up broke five times and took 71 minutes to complete victory.

They will now fight it out with Benjamin Becker of Germany [ Images ] and American Scott Lipsky for a place in the summit clash.