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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kh5 draw
7 Ra7 draw
8 Rc7 draw
9 Rh8 draw
10 Kg5 loss in 2 half-moves
11 Kg6 loss in 2 half-moves
12 Kg7 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves