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

EGTB: win in 6 half-moves

# move score
1 Kb5 win in 5 half-moves
2 Kb6 win in 5 half-moves
3 Kcd5 win in 5 half-moves
4 Rb4 win in 5 half-moves
5 Kd6 win in 7 half-moves
6 Kb7 draw
7 Kc7 draw
8 Kcc5 draw
9 Kd7 draw
10 Ra4 draw
11 Kc3 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kdc5 loss in 2 half-moves
14 Kdd5 loss in 2 half-moves
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Rc1 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rc5 loss in 2 half-moves