the spaniard's bid for a men's record 21st grand slam title got underway with victory over marcos giron. the sixth seed — the only former champion left in the men's draw — beat american giron 6-1, 6-4, 6-2. nadal is making his return to grand slam tennis after five months out with a foot injury. also a winning start for the defending women's champion, japan's naomi 0saka. she beat camila 0sorio in straight sets to go through to the second round. number one seed and home favourite ashleigh barty is also through. she comfortably defeated ukraine's lesia tsurenko 6—0, 6—1. barty could face 0saka in the fourth round. novak djokovic has arrived in serbia after being deported from australia after losing a visa battle that centred on the fact he is unvaccinated. the build—up to the event was dominated by djokovic's fight to stay and compete