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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb6 win in 1 half-moves
3 Rf4 win in 1 half-moves
4 K6a7 loss in 2 half-moves
5 K8a7 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves
16 K6b7 loss in 1 half-moves
17 K8b7 loss in 1 half-moves
18 Ka5 loss in 1 half-moves
19 Ra5 loss in 1 half-moves