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

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Ra8 loss in 8 half-moves
3 Rb8 loss in 8 half-moves
4 Rc5 loss in 8 half-moves
5 Rc6 loss in 8 half-moves
6 Ka1 loss in 4 half-moves
7 Ka2 loss in 4 half-moves
8 Rh8 loss in 4 half-moves
9 Kb2 loss in 2 half-moves
10 Kc1 loss in 2 half-moves
11 Kc2 loss in 2 half-moves
12 Rc1 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 1 half-moves