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 Ra8 draw
7 Rc1 draw
8 Rc2 draw
9 Rc3 draw
10 Rc4 draw
11 Rc7 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Ke6 loss in 2 half-moves
16 Ke7 loss in 2 half-moves
17 Ke8 loss in 2 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