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