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

EGTB: win in 6 half-moves

# move score
1 Rb7 win in 5 half-moves
2 Kb5 win in 7 half-moves
3 Kb6 win in 7 half-moves
4 Kb7 win in 7 half-moves
5 Kcd7 win in 7 half-moves
6 Kf8 win in 7 half-moves
7 Kc5 win in 11 half-moves
8 Ra7 win in 13 half-moves
9 Kcd6 draw
10 Ked7 draw
11 Kf7 draw
12 Rd7 draw
13 Kd5 loss in 2 half-moves
14 Kd8 loss in 2 half-moves
15 Ke6 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Ked6 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Rc8 loss in 2 half-moves