Top 20 events for Robert O'Brien
| # | Tournament | Event | Date | Points |
|---|---|---|---|---|
| 1 | Atomic Age Modern Group Match Play | Main Tournament | Sep 14, 2023 | 0.04 |
| 2 | Atomic Age Modern Group Match Play | Main Tournament | Aug 24, 2023 | 0.06 |
| 3 | Atomic Age Modern Group Match Play | Main Tournament | Jul 27, 2023 | 0.22 |
| 4 | Atomic Age Modern Group Match Play | Main Tournament | Jun 29, 2023 | 0.18 |
| 5 | Atomic Age Modern Group Match Play | Main Tournament | Jun 01, 2023 | 0.07 |
| 6 | Atomic Age Modern Group Match Play | Main Tournament | May 04, 2023 | 0.78 |
| 7 | Atomic Age Modern Group Match Play | Main Tournament | Apr 06, 2023 | 0.22 |
| 8 | Atomic Age Modern Group Match Play | Main Tournament | Feb 23, 2023 | 0.12 |
| 9 | Atomic Age Modern Group Matchplay 01/25/2023 | Main Tournament | Jan 26, 2023 | 0.23 |
| 10 | Atomic Age Modern Group Matchplay 01/11/2023 | Main Tournament | Jan 11, 2023 | 0.05 |