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 Kc5 draw
3 Kc6 draw
4 Kc7 draw
5 Kd5 draw
6 Kd7 draw
7 Ke5 draw
8 Ke6 draw
9 Ke7 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re1 draw
14 Re2 draw
15 Re4 draw
16 Re5 draw
17 Re6 draw
18 Re7 draw
19 Rf8 draw
20 Rg8 draw
21 Re3 loss in 2 half-moves
22 Rh8 loss in 2 half-moves