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 K8a7 win in 3 half-moves
3 K8b7 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Kb8 win in 3 half-moves
6 Rf5 win in 3 half-moves
7 Rf6 win in 3 half-moves
8 Rf8 win in 3 half-moves
9 K6a7 draw
10 Ra7 draw
11 Rd7 draw
12 Re7 draw
13 Rf4 draw
14 Rg7 draw
15 Rh7 draw
16 Ka5 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves