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 Ke7 draw
8 Ra8 draw
9 Rc8 draw
10 Rd8 draw
11 Re1 draw
12 Re2 draw
13 Re3 draw
14 Re5 draw
15 Re6 draw
16 Rf8 draw
17 Rh8 draw
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rg8 loss in 2 half-moves