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

EGTB: win in 4 half-moves

# move score
1 K7b7 win in 3 half-moves
2 K7b8 win in 3 half-moves
3 K8b7 win in 3 half-moves
4 K8b8 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Rf8 win in 3 half-moves
7 Rf6 win in 5 half-moves
8 Ka6 draw
9 Rd7 draw
10 Re7 draw
11 Rf3 draw
12 Rf4 draw
13 Rf5 draw
14 Rg7 draw
15 Rh7 draw
16 Rb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves