Memphis Open Day 2: Karlovic serves up a win

Ivo Karlovic power serves

The 2014 Memphis Open runner-up and World Rank #25 player Ivo Karlovic is back in the Bluff City with his powerful serve.

The 6-foot-11 Croatian holds the ATP record for fastest serve, at 156 miles per hour. After struggling through a first set against Slovakian Lucas Lacko (#91 rank), 5th seeded Karlovic closed Lacko out 7-6, 6-3. He'll face qualifier Austin Krajicek, an American, in the second round.

While Karlovic didn't hit 150 on his serves, he stayed in the 115-130 range, firing 23 aces past Lacko.

DAY 2 RESULTS:

Top seed and #5 world ranked Kei Nishikori has an opponent for Wednesday - American qualifier Ryan Harrison. Harrison beat Tunisia's Malek Jaziri 7-6, 7-6. After a big upset win over 8-seed Adrian Mannarino, Donald Young will face Denis Kudla, another American, who beat his Australian opponent Thanasis Kokkinakis 6-3 6-4.

4th seed Ukrainian Alexandr Dolgopolov will face Australian Bernard Tomic (World Rank #49) in the second round. Tomic struggled with 89th ranked Igor Sjisling, but won 4-6, 6-3, 6-2.

Another good day for the Americans as unseeded 2010 Memphis Open Champion Sam Querrey beat 7th seed Benjamin Becker. Querrey struggled with Becker's serve early, but won the final two sets easily. The final there 4-6, 6-2, 6-1.

6th seed American Steve Johnson had no trouble against a replacement for Israeli Dudi Sela. Johnson beat Serbian Filip Krajinovic 6-3, 6-3.

Day 3 features top seeded Kei Nishikori's first match, against American qualifier Ryan Harrison. Also playing are Sam Querrey and 18-year old wild card Jared Donaldson, a promising American prospect. American John Isner, the three seed, will play his first match against Croatian Ivan Dodig.

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