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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kd7 draw
5 Rh5 draw
6 Rh6 draw
7 Rh7 draw
8 Kb6 loss in 4 half-moves
9 Kd6 loss in 4 half-moves
10 Rc8 loss in 4 half-moves
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Re8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rf8 loss in 1 half-moves
22 Rh4 loss in 1 half-moves