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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ke7 draw
8 Ra8 draw
9 Rc8 draw
10 Rd8 draw
11 Re1 draw
12 Re3 draw
13 Re5 draw
14 Re6 draw
15 Re7 draw
16 Rf8 draw
17 Rg8 draw
18 Ke6 loss in 18 half-moves
19 Re4 loss in 2 half-moves
20 Rh8 loss in 2 half-moves
21 Re2 loss in 1 half-moves