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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb4 draw
7 Kb6 draw
8 Kb7 draw
9 Kb8 draw
10 Kc4 draw
11 Kc5 draw
12 Kc6 draw
13 Rb7 draw
14 Rc7 draw
15 Rd7 draw
16 Re3 draw
17 Re8 draw
18 Rf7 draw
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves