4
14 grand slam singles
Greg Rusedski has never won a Grand Slam Event.
Should a batter hit a grand slam home run to end a game (a so-called walk off grand slam), the batter would be credited with 4 RBIs, no matter what the score was at the time. When a home run ends a game, all runs count, unlike another base hit that scores the winning run or runs. In that case only enough runs that put the team ahead counts..not so for home runs.
Don Budge has won 6 Grand Slam Singles Titles.
It's called a "grand slam."
Caroline Woznjacki didn't win Grand slam titles
28
none
17
Four.
The batter is declared out and awarded a single since first base was the last base he reached safely before being called out. All three runners score and the batter is awarded 3 RBIs.