Anna Leigh Waters enters the 2026 Veolia Arizona Open as the top seed and heavy favorite in women's singles, backed by an undefeated streak exceeding two years on the PPA Tour and a record of 40-plus career titles. Her consistent baseline power, quick recovery in finals, and success against top competition explain the market's implied probability edge. Kate Fahey, the No. 2 seed, has emerged as the primary challenger after strong recent form, multiple finals appearances, and competitive losses to Waters in prior events like the Texas Open and Carvana Championship. The draw features other ranked players such as Kaitlyn Christian, Brooke Buckner, and Lea Jansen in a wide-open field, though historical patterns and current rankings limit their implied paths. Tournament conditions in Mesa, including heat and the progressive bracket, further shape trader consensus around these frontrunners.