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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kcd4 win in 3 half-moves
4 Kd3 win in 3 half-moves
5 Rb5 win in 3 half-moves
6 Ke5 win in 5 half-moves
7 Ra5 win in 7 half-moves
8 Kb5 draw
9 Kc3 draw
10 Rc7 draw
11 Rc8 draw
12 Kc6 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kdd4 loss in 2 half-moves
15 Ke4 loss in 2 half-moves
16 Ke6 loss in 2 half-moves
17 Rc6 loss in 2 half-moves