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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Rd6 win in 3 half-moves
5 Kd7 win in 7 half-moves
6 Kd6 win in 11 half-moves
7 Ra7 win in 15 half-moves
8 Ke6 win in 17 half-moves
9 Rc6 win in 19 half-moves
10 Ra8 win in 27 half-moves
11 Kd8 win in 29 half-moves
12 Ka4 draw
13 Kb4 draw
14 Ke8 draw
15 Kf7 draw
16 Kf8 draw
17 Re6 draw
18 Rf6 draw
19 Kf6 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves