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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc3 draw
8 Ke2 draw
9 Ke3 draw
10 Ra8 draw
11 Rc8 draw
12 Rd4 draw
13 Rd5 draw
14 Rd6 draw
15 Rd7 draw
16 Re8 draw
17 Rg8 draw
18 Rh8 draw
19 Kc2 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Rf8 loss in 1 half-moves