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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kb5 win in 1 half-moves
3 Ra7 win in 1 half-moves
4 Rd8 win in 1 half-moves
5 K2a3 loss in 2 half-moves
6 K2b3 loss in 2 half-moves
7 K4a3 loss in 2 half-moves
8 K4b3 loss in 2 half-moves
9 Ka1 loss in 2 half-moves
10 Ka5 loss in 2 half-moves
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Ra5 loss in 2 half-moves
14 Ra6 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves
20 Rh8 loss in 2 half-moves