Quick Tennis Quiz

As I hadn't done it in ages I thought I would throw a quick one up. Same rules. PM me answers before Friday.

1) Who are the only 2 male players in the open era not to have been knocked out in the first round of a Grand Slam? Half a point for each
2) Who is the only female player in the open era not to have been knocked out in the first round of a Grand Slam? 1 point
3) With Olympic year upon us. Name the 4 players to have defeated Roger Federer at the Olympics? 1 point for each
4) Andy Murray joined an elite club of players to have lost 4 Slam finals. Nadal, Federer, Lendl are other players to have lost 4 or more finals. Who is the odd one out of the following not have lost more than 4 Slam finals. Becker, Edberg, McEnroe or Gerulaitis? 1 point
5) How many Hungary championships did Istvan Gulyas win? 1 point
6) Serena Williams recently won her 14th Grand Slam title. Where does feature on all the time list for ladies for most Grand Slam victories? 1 point