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 Kd6 draw
5 Kd8 draw
6 Ke6 draw
7 Ke7 draw
8 Ke8 draw
9 Ra8 draw
10 Rc1 draw
11 Rc2 draw
12 Rc3 draw
13 Rc4 draw
14 Rc6 draw
15 Rc7 draw
16 Rd8 draw
17 Re8 draw
18 Rf8 draw
19 Rg8 draw
20 Rc5 loss in 2 half-moves
21 Rh8 loss in 2 half-moves