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 Ka2 draw
3 Ka4 draw
4 Ka5 draw
5 Ka7 draw
6 Kb2 draw
7 Kb3 draw
8 Kb4 draw
9 Kb5 draw
10 Kb6 draw
11 Kb7 draw
12 Ra8 draw
13 Rc8 draw
14 Rd8 draw
15 Rh1 draw
16 Rh5 draw
17 Rh6 draw
18 Rh7 draw
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh2 loss in 2 half-moves
23 Rh3 loss in 2 half-moves
24 Rh4 loss in 2 half-moves