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 Kc1 draw
3 Kd2 draw
4 Ke1 draw
5 Ke2 draw
6 Rc8 draw
7 Rd8 draw
8 Re8 draw
9 Rf1 draw
10 Rf2 draw
11 Rf3 draw
12 Rf4 draw
13 Kc2 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf7 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves