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 Ka5 win in 3 half-moves
5 Kb5 win in 3 half-moves
6 Kb6 win in 3 half-moves
7 Kb8 win in 3 half-moves
8 Rg5 win in 3 half-moves
9 Rg6 win in 3 half-moves
10 Rg8 win in 3 half-moves
11 K6a7 draw
12 Ra7 draw
13 Rd7 draw
14 Re7 draw
15 Rf7 draw
16 Rg3 draw
17 Rg4 draw
18 Rh7 draw
19 Rb7 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg2 loss in 2 half-moves