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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rb6 win in 3 half-moves
6 Rd6 win in 3 half-moves
7 Ra6 win in 5 half-moves
8 Re6 draw
9 Rg6 draw
10 Kb4 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves