Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Rc6 loss in 24 half-moves
3 Ra8 loss in 18 half-moves
4 Kb6 loss in 10 half-moves
5 Rc5 loss in 10 half-moves
6 Ka7 loss in 8 half-moves
7 Kb8 loss in 8 half-moves
8 Rc7 loss in 8 half-moves
9 Kc7 loss in 6 half-moves
10 Rb8 loss in 6 half-moves
11 Ka6 loss in 4 half-moves
12 Ka8 loss in 4 half-moves
13 Kc6 loss in 4 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves