Séamus Power eked out a battling 68 on Friday to sit in a tie for fifth in the Sony Open in Hawaii, six strokes behind leader Russell Henley.

Lying fourth at the beginning of the day after a stellar 63 on Thursday, Power found the going harder in his second round, bogeying the second after landing his tee shot in the water. He responded with a birdie on the third but this was soon cancelled out by bogey at the fourth.

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He steadied things with pars before a birdie on the ninth ensured he reached the turn in even par. The back nine was a smoother affair, a birdie on the 12th lifting him onto eight-under.

After a few missed chances, he concluded his round with a closing birdie to finish two-under for the day and nine-under for the tournament. Power is currently 63rd in the world rankings and could break into the top-50 with a top four finish this weekend.

The 32-year-old Henley was the story of the second round, playing his final six holes in six under par, including an eagle at the last to leap to 15-under, three strokes clear of Li Haotong in second spot.

Henley, a three-time winner, has carded 62 and 63 in successive rounds at the Waialae Country Club.

Veteran Matt Kucher - who like Haotong, carded a 65 on Friday - is currently on his own in third spot on 11-under, two strokes ahead of the bunch on nine-under, which includes Power.

Kevin Na, leader on Thursday after shooting 61, fell backwards on Friday, slumping to a one-over par round of 71, slipping back to eight-under and a tie for 10th.

The other Irish player in the field, Greame McDowell, failed to make the cut on four-under despite a fine round of 66 on Friday.