Moscow, Russia, May 27, 2015 - Defending Moscow Grand Slam men's champions Viacheslav Krasilnikov and Konstantin Semenov of Russia won their opening Pool H match here Wednesday in this year's event.The Russians posted a 2-1 (21-18, 16-21, 15-11) win in 51 minutes over 25th-seeded Jackson Henriquez and Jesus Villafane of Venezuela. Krasilnikov and Semenov play matches against pairs from Mexico and Germany Thursday.