You have to hand it to the former world #1 from Austria, he is exceptionally confident and strong-willed. If he were to actually pull off reaching the top 10 in this comeback at 43 years old, with the game getting so much faster and the athletes so much bigger and stronger, it might be an even greater feat than Kim Clijsters comeback. Kim was still still in her physical prime and the game had not changed as much in her absence. Good luck to Thomas!