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 Rc2 draw
3 Rc3 draw
4 Rc4 draw
5 Rd8 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ke8 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Re8 loss in 2 half-moves