The Dutch duo of Scheffers and Vink ensured their place in this year 's semifinals when defeating Argentina 's Guillermo Camusso and Gustavo Fernandez 62 61 .
Vink won the most recent of their three Doubles Masters titles in 2010 .
The Dutch duo of Scheffers and Vink , who won the most recent of their three Doubles Masters titles in 2010 , ensured their place in this year 's semifinals when defeating Argentina 's Guillermo Camusso and Gustavo Fernandez 62 61 .