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

EGTB: win in 4 half-moves

# move score
1 Ke7 win in 3 half-moves
2 Kf7 win in 3 half-moves
3 Kg7 win in 3 half-moves
4 Ke8 win in 5 half-moves
5 Rc7 win in 9 half-moves
6 Rc8 win in 9 half-moves
7 Kb4 draw
8 Kc4 draw
9 Kd4 draw
10 Kg8 draw
11 Ra6 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves