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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kb5 win in 7 half-moves
3 Ka1 draw
4 Ka2 draw
5 Ka3 draw
6 Ka5 draw
7 Ka7 draw
8 Kb1 draw
9 Kb3 draw
10 Kc1 draw
11 Kc2 draw
12 Rh8 draw
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves