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 Rc1 draw
12 Rc3 draw
13 Rc4 draw
14 Rc5 draw
15 Rc6 draw
16 Rd8 draw
17 Rf8 draw
18 Rg8 draw
19 Rc2 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves