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

EGTB: win in 4 half-moves

# move score
1 Kd7 win in 3 half-moves
2 Ke5 win in 3 half-moves
3 Ke7 win in 3 half-moves
4 Ked5 win in 3 half-moves
5 Rc7 win in 3 half-moves
6 Ked6 draw
7 Kf5 draw
8 Kf6 draw
9 Kf7 draw
10 Rc8 draw
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kcd5 loss in 2 half-moves
16 Kcd6 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rd6 loss in 2 half-moves