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

EGTB: win in 4 half-moves

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