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 Kcd1 draw
6 Kcd2 draw
7 Ke2 draw
8 Ked1 draw
9 Ked2 draw
10 Kf1 draw
11 Kf2 draw
12 Ra8 draw
13 Rc8 draw
14 Rg1 draw
15 Rg2 draw
16 Rg3 draw
17 Rg7 draw
18 Rh8 draw
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg6 loss in 2 half-moves