Ranking history updated: 2026-03-17 04:30 UTC
Dean O'Brien ATP Ranking History
Dean O'Brien's ATP ranking history, with year-by-year summaries plus every available weekly rank, age and points snapshot.
Latest Rank
1,223
Latest date
Oct 31, 2016
Career high
507
Career-high date
Apr 21, 2014
Career-high points
68
Points-high date
Apr 21, 2014
Best year-end
532
Weeks at #1
0
Coverage: 299 distinct observed ranking weeks, Jul 6, 2009–Oct 31, 2016. Available-week totals may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.
Select a legend item to show or hide that series. Focus the chart and use the left and right arrow keys to inspect ranking snapshots.
| Season | Age | Start rank | Peak rank | End / latest | Change | Peak points |
|---|---|---|---|---|---|---|
| 2016 | 26 | #1,091 | #1,078 | #1,223 | -132 | 9 |
| 2015 | 25 | #699 | #699 | #1,091 | -392 | 32 |
| 2014 | 24 | #530 | #507 | #699 | -169 | 68 |
| 2013 | 23 | #1,202 | #528 | #532 | +670 | 63 |
| 2012 | 22 | #1,511 | #1,189 | #1,201 | +310 | 5 |
| 2011 | 21 | #1,581 | #1,471 | #1,510 | +71 | 1 |
| 2010 | 20 | #1,503 | #1,445 | #1,538 | -35 | 1 |
| 2009 | 19 | #1,776 | #1,505 | #1,505 | +271 | 1 |