mostly agreed, except
- Rosewall in 1960 (Gonzales didn't play enough)
- Rosewall in 1964, or at least a tie
- imo, Ashe a clear best in 1975
- Borg a clear #1 in 1978
- Agassi a tie with Sampras in 1995
- Sampras equal or greater than Agassi in 1999
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