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 Ka7 draw
3 Kb3 draw
4 Kb4 draw
5 Kb5 draw
6 Kb7 draw
7 Kb8 draw
8 Kc3 draw
9 Kc5 draw
10 Kd3 draw
11 Kd4 draw
12 Kd5 draw
13 Rc8 draw
14 Rd8 draw
15 Re8 draw
16 Rf2 draw
17 Rf1 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves