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 Re8 draw
14 Rf3 draw
15 Rf4 draw
16 Rf6 draw
17 Rg8 draw
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rh8 loss in 2 half-moves