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 Kd6 draw
4 Kd8 draw
5 Ke6 draw
6 Ke7 draw
7 Ke8 draw
8 Ra8 draw
9 Rc1 draw
10 Rc2 draw
11 Rc3 draw
12 Rc4 draw
13 Rc7 draw
14 Rd8 draw
15 Re8 draw
16 Rf8 draw
17 Kc7 loss in 22 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves