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 Kb2 draw
4 Kb3 draw
5 Kd1 draw
6 Kd2 draw
7 Ke2 draw
8 Kf1 draw
9 Ra8 draw
10 Rd8 draw
11 Re2 draw
12 Re3 draw
13 Re4 draw
14 Re5 draw
15 Re6 draw
16 Re7 draw
17 Rf8 draw
18 Rg8 draw
19 Rh8 draw
20 Kf2 loss in 2 half-moves
21 Ka4 loss in 1 half-moves
22 Kb4 loss in 1 half-moves
23 Rc8 loss in 1 half-moves