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

EGTB: win in 4 half-moves

# move score
1 K8a7 win in 3 half-moves
2 K8b7 win in 3 half-moves
3 K6a7 draw
4 K6b7 draw
5 Kb6 draw
6 Kb8 draw
7 Ra7 draw
8 Re4 draw
9 Re5 draw
10 Re6 draw
11 Re8 draw
12 Rf7 draw
13 Rg7 draw
14 Rh7 draw
15 Ka5 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re1 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Re3 loss in 2 half-moves