Top-seeded John Isner has been relying on his overpowering serve all week on Newport's grass courts -- never more so than in closing out a tough first set Thursday. Isner continued his strong run at the Hall of Fame Tennis Championships, reaching the semifinals with a 7-6 (5), 6-4 win over No. 5-seeded Alex Bogomolov. Read more: http://sports.espn.go.com/sports/tennis/news/story?id=6746865