Andy Murray has won his first tennis match at the Japan Open since he triumphed at the US Open last month.
The Scot defeated 6ft 10in Croat Ivo Karlovic 7-6 6-4 and will face Slovakian world number 65 Lukas Lacko in the next round.
Karlovic smacked a stunning 16 aces although Murray never faced a break point in a serve-dominated match.
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Murray is the defending champion in Tokyo, having come from a set down to defeat Rafael Nadal last year.
The 25-year-old is also aiming to defend the doubles title he achieved with his elder brother Jamie.
