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 Kf1 draw
3 Kg8 draw
4 Kh1 draw
5 Ra8 draw
6 Rc8 draw
7 Rd1 draw
8 Rd2 draw
9 Rd3 draw
10 Rd7 draw
11 Kf2 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kh2 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves