The 2018 Senior Open Championship was a senior major golf championship and the 32nd Senior Open Championship, held on 26–29 July at the Old Course at St Andrews in St Andrews, Scotland. It was the first Senior Open Championship played at the course and the 16th Senior Open Championship played as a senior major championship. Miguel Ángel Jiménez won by one stroke over defending champion Bernhard Langer. The 2018 event was Jiménez's first Senior Open Championship title and his second senior major championship victory. Venue The 2018 event was the first Senior Open Championship played at St Andrews. Course layout Field The field consisted of 144 competitors: 136 professionals and 8 amateurs. An 18-hole stroke play qualifying round was held on Monday, 23 July for players who were not already exempt. Nationalities in the field Past champions in the field Made the cut Missed the cut Round summaries First round Thursday, 26 July 2018 Second round Friday 27 July 2018 Amateurs: Elliott (+2), Howison (+5), Maxfield (+6), Dornell (+7), Lacy (+8), Lutz (+8), McCoy (+9), Hughes (+10) Third round Saturday, 28 July 2018 Final round Sunday, 29 July 2018 Source: Scorecard Cumulative tournament scores, relative to par Source: Notes and references External links Results on European Tour website Results on PGA Tour website Senior major golf championships Golf tournaments in Scotland Senior Open Championship Senior Open Championship Senior Open Championship