Complex sentence: No other player in history has won his first ATP singles title at such an advanced age (Arthurs was almost 34 at the time) However he is an Australian hero when it comes to Davis Cup, winning countless doubles rubbers for Australia.
Split into simpler sentences: No other player in history has won his first ATP singles title at such an advanced age (Arthurs was almost 34 at the time). He is an Australian hero when it comes to Davis Cup, winning countless doubles rubbers for Australia.