Order of Merit race leader Chihiro Ikeda tries to zero in on a second career overall individual crown on the Ladies Philippine Golf Tour as she headlines the field in the ICTSI Riviera Championship unfolding 4 October at Riviera's Langer course in Silang, Cavite.

With erstwhile frontrunner Chanelle Avaricio focusing on her LPGA Tour card bid in the United States, Ikeda stormed ahead of the OOM battle with a runner-up finish to amateur Rianne Malixi in the last LPGT leg at Valley Golf Club, raising her earnings to P702,750 heading to the last three legs of this year's circuit.

Avaricio, whose three LPGT victories spurred her to seek a playing card in the world's premier circuit, slipped to No. 2 with P605,000 in winnings.

Harmie Constantino, who notched two victories and posted a couple of Top 5 finishes to win the OOM trophy in her rookie season last year, is at distant third with P499,500 in earnings.

But Ikeda isn't looking past the ninth leg of LPGT's first full-calendar season.

"This is going to be tough. Langer has always been a test, game-wise and mentally, with its length, tightness and all the hazards that come into play in most holes," said Ikeda, the 2016 OOM winner.

The par-71 layout, kept in championship form all year-long, will indeed challenge not only the field's golf skills but their patience and mental toughness as well given its length, menacing bunkers and hazards that come into play in most holes.

A number of holes could also be deceiving, requiring thorough study and decision-making on approach shots.