Ranking history updated: 2026-03-17 04:30 UTC
C. Johnstone ATP Ranking History
Explore every available weekly ranking snapshot for C. Johnstone, including age, ranking points, and links into the matching season tables.
Latest Rank
721
Latest date
Oct 14, 1985
Career high
70
Best year-end
93
Weeks at #1
0
Top 10 weeks
0
Top 100 weeks
27
Ranked Weeks
105
| Date | Week | Age | Rank | Points | |
|---|---|---|---|---|---|
| 1985 | Oct 14 | 42 | 25.0 | 721 | 0 |
| 1985 | Oct 7 | 41 | 25.0 | 657 | 0 |
| 1985 | Sep 30 | 40 | 25.0 | 657 | 0 |
| 1985 | Sep 23 | 39 | 24.9 | 655 | 0 |
| 1985 | Sep 16 | 38 | 24.9 | 657 | 0 |
| 1985 | Sep 9 | 37 | 24.9 | 657 | 0 |
| 1985 | Sep 2 | 36 | 24.9 | 663 | 0 |
| 1985 | Aug 26 | 35 | 24.9 | 663 | 0 |
| 1985 | Aug 19 | 34 | 24.9 | 669 | 0 |
| 1985 | Aug 12 | 33 | 24.8 | 644 | 0 |
| 1985 | Aug 5 | 32 | 24.8 | 579 | 0 |
| 1985 | Jul 29 | 31 | 24.8 | 579 | 0 |
| 1985 | Jul 22 | 30 | 24.8 | 549 | 0 |
| 1985 | Jul 15 | 29 | 24.8 | 537 | 0 |
| 1985 | Jul 8 | 28 | 24.7 | 486 | 0 |
| 1985 | Jul 1 | 27 | 24.7 | 486 | 0 |
| 1985 | Jun 24 | 26 | 24.7 | 486 | 0 |
| 1985 | Jun 17 | 25 | 24.7 | 484 | 0 |
| 1985 | Jun 10 | 24 | 24.7 | 491 | 0 |
| 1985 | Jun 3 | 23 | 24.6 | 491 | 0 |
| 1985 | May 27 | 22 | 24.6 | 491 | 0 |
| 1985 | May 20 | 21 | 24.6 | 484 | 0 |
| 1985 | May 13 | 20 | 24.6 | 486 | 0 |
| 1985 | May 6 | 19 | 24.6 | 491 | 0 |
| 1985 | Apr 29 | 18 | 24.5 | 475 | 0 |
| 1985 | Apr 22 | 17 | 24.5 | 479 | 0 |
| 1985 | Apr 15 | 16 | 24.5 | 482 | 0 |
| 1985 | Apr 8 | 15 | 24.5 | 482 | 0 |
| 1985 | Apr 1 | 14 | 24.5 | 475 | 0 |
| 1985 | Mar 25 | 13 | 24.4 | 329 | 0 |
| 1985 | Mar 18 | 12 | 24.4 | 323 | 0 |
| 1985 | Mar 11 | 11 | 24.4 | 322 | 0 |
| 1985 | Mar 4 | 10 | 24.4 | 322 | 0 |
| 1985 | Feb 25 | 9 | 24.4 | 319 | 0 |
| 1985 | Feb 18 | 8 | 24.4 | 311 | 0 |
| 1985 | Feb 11 | 7 | 24.3 | 314 | 0 |
| 1985 | Feb 4 | 6 | 24.3 | 314 | 0 |
| 1985 | Jan 28 | 5 | 24.3 | 314 | 0 |
| 1985 | Jan 21 | 4 | 24.3 | 316 | 0 |
| 1985 | Jan 14 | 3 | 24.3 | 316 | 0 |
| 1985 | Jan 7 | 2 | 24.2 | 313 | 0 |
| 1985 | Dec 31 | 1 | 24.2 | 311 | 0 |
| 1984 | Dec 24 | 52 | 24.2 | 311 | 0 |
| 1984 | Dec 17 | 51 | 24.2 | 311 | 0 |
| 1984 | Dec 10 | 50 | 24.2 | 301 | 0 |
| 1984 | Dec 3 | 49 | 24.1 | 259 | 0 |
| 1984 | Nov 26 | 48 | 24.1 | 259 | 0 |
| 1984 | Nov 19 | 47 | 24.1 | 259 | 0 |
| 1984 | Nov 12 | 46 | 24.1 | 241 | 0 |
| 1984 | Nov 5 | 45 | 24.1 | 242 | 0 |
| 1984 | Oct 29 | 44 | 24.0 | 242 | 0 |
| 1984 | Oct 22 | 43 | 24.0 | 243 | 0 |
| 1984 | Oct 15 | 42 | 24.0 | 238 | 0 |
| 1984 | Oct 8 | 41 | 24.0 | 245 | 0 |
| 1984 | Oct 1 | 40 | 24.0 | 238 | 0 |
| 1984 | Sep 24 | 39 | 24.0 | 239 | 0 |
| 1984 | Sep 17 | 38 | 23.9 | 242 | 0 |
| 1984 | Sep 10 | 37 | 23.9 | 237 | 0 |
| 1984 | Sep 3 | 36 | 23.9 | 241 | 0 |
| 1984 | Aug 27 | 35 | 23.9 | 241 | 0 |
| 1984 | Aug 20 | 34 | 23.9 | 238 | 0 |
| 1984 | Aug 13 | 33 | 23.8 | 239 | 0 |
| 1984 | Aug 6 | 32 | 23.8 | 239 | 0 |
| 1984 | Jul 30 | 31 | 23.8 | 241 | 0 |
| 1984 | Jul 23 | 30 | 23.8 | 242 | 0 |
| 1984 | Jul 16 | 29 | 23.8 | 209 | 0 |
| 1984 | Jul 9 | 28 | 23.7 | 211 | 0 |
| 1984 | Jul 2 | 27 | 23.7 | 197 | 0 |
| 1984 | Jun 25 | 26 | 23.7 | 197 | 0 |
| 1984 | Jan 23 | 4 | 23.3 | 198 | 0 |
| 1984 | Jan 2 | 1 | 23.2 | 198 | 0 |
| 1983 | Jun 13 | 24 | 22.7 | 100 | 0 |
| 1983 | Jun 6 | 23 | 22.6 | 91 | 0 |
| 1983 | May 23 | 21 | 22.6 | 93 | 0 |
| 1983 | May 16 | 20 | 22.6 | 93 | 0 |
| 1983 | Jan 24 | 4 | 22.3 | 132 | 0 |
| 1983 | Jan 10 | 2 | 22.2 | 132 | 0 |
| 1983 | Jan 3 | 1 | 22.2 | 132 | 0 |
| 1982 | Nov 8 | 45 | 22.1 | 94 | 0 |
| 1982 | Oct 18 | 42 | 22.0 | 76 | 0 |
| 1982 | Oct 11 | 41 | 22.0 | 89 | 0 |
| 1982 | Oct 4 | 40 | 22.0 | 86 | 0 |
| 1982 | Sep 27 | 39 | 22.0 | 87 | 0 |
| 1982 | Sep 20 | 38 | 21.9 | 86 | 0 |
| 1982 | Sep 13 | 37 | 21.9 | 84 | 0 |
| 1982 | Aug 23 | 34 | 21.9 | 80 | 0 |
| 1982 | Aug 16 | 33 | 21.8 | 93 | 0 |
| 1982 | Aug 9 | 32 | 21.8 | 92 | 0 |
| 1982 | Aug 2 | 31 | 21.8 | 90 | 0 |
| 1982 | Jul 26 | 30 | 21.8 | 94 | 0 |
| 1982 | Jul 19 | 29 | 21.8 | 81 | 0 |
| 1982 | Jul 12 | 28 | 21.7 | 73 | 0 |
| 1982 | Jul 5 | 27 | 21.7 | 70 | 0 |
| 1982 | Jun 21 | 25 | 21.7 | 75 | 0 |
| 1982 | Jun 14 | 24 | 21.7 | 75 | 0 |
| 1982 | Jun 7 | 23 | 21.7 | 84 | 0 |
| 1982 | May 24 | 21 | 21.6 | 91 | 0 |
| 1982 | May 17 | 20 | 21.6 | 90 | 0 |
| 1982 | Jan 25 | 4 | 21.3 | 97 | 0 |
| 1982 | Jan 4 | 1 | 21.2 | 97 | 0 |
| 1981 | Dec 21 | 52 | 21.2 | 93 | 0 |
| 1980 | Dec 22 | 52 | 20.2 | 137 | — |
| 1979 | Dec 26 | 52 | 19.2 | 339 | 0 |
| 1978 | Dec 31 | 52 | 18.2 | 555 | — |
| 1978 | Jul 17 | 29 | 17.8 | 429 | — |