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