Runner-up Gordon Brand up to sixth in Europe
Brand Jnr's closing 68 gave him a ten-under-par total of 203, three behind Wolsten-holme after he clinched his maiden title with a 67.
The win earned Wolstenholme a e90,000 first prize and secured his playing rights on the European Senior circuit for the next two seasons.
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Hide Ad"It's a dream come true to have done what I have in the space of two events," said the 50-year-old. "To come out of the blocks so quickly is extraordinary.
"I didn't really know what to expect today and I knew that Gordon in particular would really come at me because he is a fierce competitor.
"I just did what I always do. I am a bit of a grinder, a bit of a golfing Steve Davis in the sense that it is never really spectacular but I get the job done."
Wolstenholme's 13th place on the Order of Merit, with earnings of e109,181, is a phenomenal achievement in two events.
Brand's fellow Scot Andrew Oldcorn finished joint ninth after rounds of 72, 66 and 72 gave him a score of three-under 210. Martin Gray was two strokes further behind after a final 67.