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 Rh6 win in 3 half-moves
3 Rh5 win in 5 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kc6 draw
7 Kd5 draw
8 Kd6 draw
9 Rc8 draw
10 Re8 draw
11 Rf8 draw
12 Rg8 draw
13 Rh3 draw
14 Rh4 draw
15 Rh7 draw
16 Kb4 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rh1 loss in 2 half-moves
22 Rh2 loss in 2 half-moves