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 Ke6 draw
8 Ke7 draw
9 Ke8 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rg1 draw
16 Rg3 draw
17 Rg4 draw
18 Rg5 draw
19 Rg6 draw
20 Rg7 draw
21 Rg2 loss in 2 half-moves
22 Rh8 loss in 2 half-moves