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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Rb6 win in 3 half-moves
5 Ka5 win in 5 half-moves
6 Ka7 win in 5 half-moves
7 Kb7 win in 5 half-moves
8 Ra5 win in 5 half-moves
9 Ra7 win in 5 half-moves
10 Kb8 win in 11 half-moves
11 Ka3 draw
12 Rc6 draw
13 Rd6 draw
14 Re6 draw
15 Rf6 draw
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves