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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Ra5 draw
7 Ra6 draw
8 Rb7 draw
9 Ra8 loss in 8 half-moves
10 Rd7 loss in 6 half-moves
11 Re7 loss in 6 half-moves
12 Rf7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves
15 Rc7 loss in 1 half-moves