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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kd3 draw
6 Ke2 draw
7 Ke4 draw
8 Kf2 draw
9 Kf3 draw
10 Kf4 draw
11 Rc8 draw
12 Rd8 draw
13 Re4 draw
14 Re5 draw
15 Re6 draw
16 Re7 draw
17 Rf8 draw
18 Rg8 draw
19 Rh8 draw
20 Kd2 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Ra8 loss in 1 half-moves