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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 Ra7 win in 13 half-moves
3 Kd6 win in 19 half-moves
4 Ke6 win in 19 half-moves
5 Kd7 win in 21 half-moves
6 Ke8 win in 23 half-moves
7 Kf8 win in 25 half-moves
8 Kd8 win in 27 half-moves
9 Ka6 win in 29 half-moves
10 Ka4 draw
11 Kb4 draw
12 Kf6 draw
13 Kf7 draw
14 Re8 draw
15 Rh8 draw
16 Kb5 loss in 2 half-moves
17 Kb6 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves