I think Martin had the killer instinct. In fact, in a recent seniors match he ferociously snapped at Mcenroe. He had some fire.
Martin was just in a very good era. Not his fault.
I'm still not over the fact he ruined Djoker's serve for a full year though.
"I used to be a fairly good tennis player." --Rod Laver. Favs: Gasquet, Klahn, Seppi, Fognini, Dolgopolov