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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 K8b7 draw
4 Rf7 draw
5 K6b7 loss in 2 half-moves
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Rb7 loss in 2 half-moves
9 Rc7 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rg7 loss in 2 half-moves
13 Rh7 loss in 2 half-moves