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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 K8a7 win in 7 half-moves
3 K8b7 win in 7 half-moves
4 Kb6 win in 7 half-moves
5 Kb5 win in 9 half-moves
6 K6a7 draw
7 K6b7 draw
8 Ka5 draw
9 Kb8 draw
10 Rc8 draw
11 Rd1 draw
12 Rd6 draw
13 Rd7 draw
14 Rh8 draw
15 Rd2 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves