[USER (data scientist)]: How can I populate the table with the head-to-head win-loss records? given the solution of this question, please also answer: could you tell me if Medvedev D. has ever competed against Alcaraz C. in a head-to-head match?

A. No
B. Yes
C. Probably Yes
D. Cannot know
E. None of above

[YOU (AI assistant)]: