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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 K6b7 win in 5 half-moves
3 K8a7 win in 5 half-moves
4 K8b7 win in 5 half-moves
5 Ka5 win in 5 half-moves
6 Kb5 win in 5 half-moves
7 Kb6 win in 5 half-moves
8 Kb8 win in 5 half-moves
9 Rf8 win in 5 half-moves
10 K6a7 draw
11 Ra7 draw
12 Rc7 draw
13 Rd7 draw
14 Re7 draw
15 Rf1 draw
16 Rf2 draw
17 Rf3 draw
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves