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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 5 half-moves
3 Kc1 win in 5 half-moves
4 Rb8 win in 9 half-moves
5 Kb6 win in 15 half-moves
6 Ka4 draw
7 Ka6 draw
8 Kc2 draw
9 Kd2 draw
10 Ke1 draw
11 Ke2 draw
12 Ra7 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Ra6 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves