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

EGTB: win in 6 half-moves

# move score
1 K5a6 win in 5 half-moves
2 K5b6 win in 5 half-moves
3 Kb5 win in 5 half-moves
4 Kb7 win in 5 half-moves
5 Ka4 win in 9 half-moves
6 Kb4 win in 9 half-moves
7 K7a6 draw
8 K7b6 draw
9 Kb8 draw
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves