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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka1 loss in 2 half-moves
3 Ka4 loss in 2 half-moves
4 Ka5 loss in 2 half-moves
5 Kaa3 loss in 2 half-moves
6 Kab3 loss in 2 half-moves
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kba3 loss in 2 half-moves
10 Kbb3 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh5 loss in 2 half-moves