Which one is the Grandest Slam?

[Mike Hunt]

In terms of level of importance, I'd say:
1. Wimbledon (no doubt about it)
2. French Open (It's often the most illusive grand slam for players looking to reach the career grand slam. It also produces the most major upsets)
3. U.S. Open (the last slam of the year. Nothing particularly special but anything with US in it's name tends to be important).
4. Australian Open (it's so early in the season that you're often not seeing players at their best. There's also what seems to be a big gap between it and the other slams which makes it feel like an outsider).

In terms of which I like watching the most:
1. Wimbledon
2. French Open
3. Australian Open
4. US Open