Ranking history updated: 2026-03-17 04:30 UTC
Dean O'Brien ATP Ranking History
Explore every available weekly ranking snapshot for Dean O'Brien, including age, ranking points, and links into the matching season tables.
Latest Rank
1,223
Latest date
Oct 31, 2016
Career high
507
Best year-end
532
Weeks at #1
0
Available Top 10 weeks
0
Available Top 100 weeks
0
Available ranked weeks
299
Available-week totals count distinct ranking weeks in TennisDB and may undercount careers where historical snapshots are missing. Weeks at No. 1 counts available snapshots.
Focus the chart and use the left and right arrow keys to inspect ranking snapshots.
| Season | Date | Week | Age | Rank | Points |
|---|---|---|---|---|---|
| 2014 | Sep 22 | 39 | 24.4 | 620 | 45 |
| 2014 | Sep 29 | 40 | 24.4 | 614 | 45 |
| 2014 | Oct 6 | 41 | 24.4 | 617 | 45 |
| 2014 | Oct 13 | 42 | 24.4 | 627 | 43 |
| 2014 | Oct 20 | 43 | 24.4 | 621 | 43 |
| 2014 | Oct 27 | 44 | 24.5 | 619 | 43 |
| 2014 | Nov 3 | 45 | 24.5 | 620 | 43 |
| 2014 | Nov 10 | 46 | 24.5 | 625 | 43 |
| 2014 | Nov 17 | 47 | 24.5 | 625 | 43 |
| 2014 | Nov 24 | 48 | 24.5 | 681 | 35 |
| 2014 | Dec 1 | 49 | 24.5 | 700 | 32 |
| 2014 | Dec 8 | 50 | 24.6 | 700 | 32 |
| 2014 | Dec 15 | 51 | 24.6 | 701 | 32 |
| 2014 | Dec 22 | 52 | 24.6 | 699 | 32 |
| 2014 | Dec 29 | 1 | 24.6 | 699 | 32 |
| 2015 | Jan 5 | 2 | 24.6 | 699 | 32 |
| 2015 | Jan 12 | 3 | 24.7 | 699 | 32 |
| 2015 | Jan 19 | 4 | 24.7 | 703 | 32 |
| 2015 | Feb 2 | 6 | 24.7 | 707 | 32 |
| 2015 | Feb 9 | 7 | 24.7 | 709 | 32 |
| 2015 | Feb 16 | 8 | 24.8 | 709 | 32 |
| 2015 | Feb 23 | 9 | 24.8 | 763 | 27 |
| 2015 | Mar 2 | 10 | 24.8 | 761 | 27 |
| 2015 | Mar 9 | 11 | 24.8 | 766 | 27 |
| 2015 | Mar 23 | 13 | 24.9 | 769 | 26 |
| 2015 | Apr 6 | 15 | 24.9 | 764 | 26 |
| 2015 | Apr 13 | 16 | 24.9 | 765 | 26 |
| 2015 | Apr 20 | 17 | 24.9 | 791 | 23 |
| 2015 | Apr 27 | 18 | 25.0 | 795 | 23 |
| 2015 | May 4 | 19 | 25.0 | 801 | 23 |
| 2015 | May 11 | 20 | 25.0 | 842 | 20 |
| 2015 | May 18 | 21 | 25.0 | 992 | 12 |
| 2015 | May 25 | 22 | 25.0 | 990 | 12 |
| 2015 | Jun 8 | 24 | 25.1 | 992 | 12 |
| 2015 | Jun 15 | 25 | 25.1 | 1,228 | 6 |
| 2015 | Jun 22 | 26 | 25.1 | 1,298 | 5 |
| 2015 | Jun 29 | 27 | 25.1 | 1,310 | 5 |
| 2015 | Jul 13 | 29 | 25.2 | 1,280 | 5 |
| 2015 | Jul 20 | 30 | 25.2 | 1,271 | 5 |
| 2015 | Jul 27 | 31 | 25.2 | 1,271 | 5 |
| 2015 | Aug 3 | 32 | 25.2 | 1,274 | 5 |
| 2015 | Aug 10 | 33 | 25.2 | 1,284 | 5 |
| 2015 | Aug 17 | 34 | 25.3 | 1,284 | 5 |
| 2015 | Aug 24 | 35 | 25.3 | 1,274 | 5 |
| 2015 | Aug 31 | 36 | 25.3 | 1,294 | 5 |
| 2015 | Sep 14 | 38 | 25.3 | 1,321 | 4 |
| 2015 | Sep 21 | 39 | 25.4 | 2,175 | 1 |
| 2015 | Sep 28 | 40 | 25.4 | 1,341 | 4 |
| 2015 | Oct 5 | 41 | 25.4 | 1,345 | 4 |
| 2015 | Oct 12 | 42 | 25.4 | 1,352 | 4 |
| 2015 | Oct 19 | 43 | 25.4 | 1,347 | 4 |
| 2015 | Oct 26 | 44 | 25.4 | 1,338 | 4 |
| 2015 | Nov 2 | 45 | 25.5 | 1,340 | 4 |
| 2015 | Nov 9 | 46 | 25.5 | 1,080 | 9 |
| 2015 | Nov 16 | 47 | 25.5 | 1,087 | 9 |
| 2015 | Nov 23 | 48 | 25.5 | 1,085 | 9 |
| 2015 | Nov 30 | 49 | 25.5 | 1,086 | 9 |
| 2015 | Dec 7 | 50 | 25.6 | 1,091 | 9 |
| 2015 | Dec 14 | 51 | 25.6 | 1,091 | 9 |
| 2015 | Dec 21 | 52 | 25.6 | 1,088 | 9 |
| 2015 | Dec 28 | 53 | 25.6 | 1,091 | 9 |
| 2016 | Jan 4 | 1 | 25.6 | 1,091 | 9 |
| 2016 | Jan 11 | 2 | 25.7 | 1,091 | 9 |
| 2016 | Jan 18 | 3 | 25.7 | 1,090 | 9 |
| 2016 | Feb 1 | 5 | 25.7 | 1,090 | 9 |
| 2016 | Feb 8 | 6 | 25.7 | 1,092 | 9 |
| 2016 | Feb 15 | 7 | 25.8 | 1,091 | 9 |
| 2016 | Feb 22 | 8 | 25.8 | 1,093 | 9 |
| 2016 | Feb 29 | 9 | 25.8 | 1,088 | 9 |
| 2016 | Mar 7 | 10 | 25.8 | 1,090 | 9 |
| 2016 | Mar 21 | 12 | 25.9 | 1,089 | 9 |
| 2016 | Apr 4 | 14 | 25.9 | 1,085 | 9 |
| 2016 | Apr 11 | 15 | 25.9 | 1,086 | 9 |
| 2016 | Apr 18 | 16 | 25.9 | 1,085 | 9 |
| 2016 | Apr 25 | 17 | 25.9 | 1,083 | 9 |
| 2016 | May 2 | 18 | 26.0 | 1,082 | 9 |
| 2016 | May 9 | 19 | 26.0 | 1,084 | 9 |
| 2016 | May 16 | 20 | 26.0 | 1,083 | 9 |
| 2016 | May 23 | 21 | 26.0 | 1,088 | 9 |
| 2016 | Jun 6 | 23 | 26.1 | 1,083 | 9 |
| 2016 | Jun 13 | 24 | 26.1 | 1,078 | 9 |
| 2016 | Jun 20 | 25 | 26.1 | 1,100 | 8 |
| 2016 | Jun 27 | 26 | 26.1 | 1,091 | 8 |
| 2016 | Jul 11 | 28 | 26.2 | 1,086 | 8 |
| 2016 | Jul 18 | 29 | 26.2 | 1,091 | 8 |
| 2016 | Jul 25 | 30 | 26.2 | 1,085 | 8 |
| 2016 | Aug 1 | 31 | 26.2 | 1,092 | 8 |
| 2016 | Aug 8 | 32 | 26.2 | 1,096 | 8 |
| 2016 | Aug 15 | 33 | 26.3 | 1,096 | 8 |
| 2016 | Aug 22 | 34 | 26.3 | 1,098 | 8 |
| 2016 | Aug 29 | 35 | 26.3 | 1,102 | 8 |
| 2016 | Sep 12 | 37 | 26.3 | 1,085 | 8 |
| 2016 | Sep 19 | 38 | 26.3 | 1,078 | 8 |
| 2016 | Sep 26 | 39 | 26.4 | 1,209 | 5 |
| 2016 | Oct 3 | 40 | 26.4 | 1,209 | 5 |
| 2016 | Oct 10 | 41 | 26.4 | 1,214 | 5 |
| 2016 | Oct 17 | 42 | 26.4 | 1,214 | 5 |
| 2016 | Oct 24 | 43 | 26.4 | 1,211 | 5 |
| 2016 | Oct 31 | 44 | 26.5 | 1,223 | 5 |