The 9th annual Estrogen Open is scheduled for Sunday, Aug. 12 at 10 a.m. at Poplar Creek Bowl in the Chicago suburb of Hoffman Estates. The tournament is an 8-game scratch women’s tournament. Natalie Cortese won last year over a 45-player field. The top five advance to a stepladder finals after match play. The lane pattern is not released. The flyer says it will be “low scoring and fair.” The entry fee is $80 if paid by July 12, $90 after July 12, with $18 for lineage and...