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 Kc2 win in 3 half-moves
3 Kc1 win in 5 half-moves
4 Kc3 win in 5 half-moves
5 Rb8 win in 7 half-moves
6 Ka6 draw
7 Kb4 draw
8 Kd1 draw
9 Ke1 draw
10 Ke2 draw
11 Ke3 draw
12 Ra7 draw
13 Re8 draw
14 Kb6 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ka4 loss in 1 half-moves