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 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 Ke1 draw
8 Ke2 draw
9 Kf1 draw
10 Kg1 draw
11 Kg2 draw
12 Ra8 draw
13 Rc8 draw
14 Rg8 draw
15 Rh1 draw
16 Rh2 draw
17 Rh7 draw
18 Ke3 loss in 2 half-moves
19 Kf3 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves
23 Rf8 loss in 2 half-moves
24 Rh3 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Rh5 loss in 2 half-moves
27 Rh6 loss in 2 half-moves