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

EGTB: win in 6 half-moves

# move score
1 Kb6 win in 5 half-moves
2 Ra7 win in 5 half-moves
3 Kb5 win in 9 half-moves
4 Ka2 draw
5 Ka3 draw
6 Ka4 draw
7 Ka5 draw
8 Ka7 draw
9 Kb2 draw
10 Kb4 draw
11 Kb7 draw
12 Rb8 draw
13 Rg8 draw
14 Rh8 draw
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves