PAGUDPUD, Ilocos Norte -- Battle royale.Riders and officials expect the fight for the overall crown to remain wide open when the MPTC Tour of Luzon 2026 heads into its decisive second stretch on Thursday, May 7.The race took a rest day on Wednesday, May 6, following the first individual time trial where Russian Nikita Shulchenko delivered a blistering ride to dominate the stage and tighten his grip on the yellow jersey.But the toughest tests are…