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

EGTB: win in 4 half-moves

# move score
1 Kab5 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb6 win in 5 half-moves
4 Ka7 win in 9 half-moves
5 Ka3 draw
6 Ka4 draw
7 Kaa5 draw
8 Kb3 draw
9 Kba5 draw
10 Kbb5 draw
11 Kc3 draw
12 Kc4 draw
13 Kc5 draw
14 Rb8 draw
15 Rc8 draw
16 Rd8 draw
17 Re8 draw
18 Ra7 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