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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rc6 win in 3 half-moves
3 Ra6 draw
4 Rf6 draw
5 Rh2 draw
6 Rh5 draw
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh3 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves