Don't ask Serena Williams about her recent engagement. After an emphatic opening-round win at the Australian Open, her only focus is another title Down Under.
- Djokovic, Nadal ease into 2nd round in Melbourne
- Serena starts bid for historic 23rd Slam with win
- Karlovic fires 75 aces in 5-set win over Zeballos
- Nose bleeds only thing to slow Kyrgios in opener