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

EGTB: win in 8 half-moves

# move score
1 Rb5 win in 7 half-moves
2 Ra5 draw
3 Rc5 draw
4 Rd1 draw
5 Rd2 draw
6 Rd3 draw
7 Rg5 draw
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kcc7 loss in 2 half-moves
11 Kcd7 loss in 2 half-moves
12 Kdc7 loss in 2 half-moves
13 Kdd7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves