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 Kc8 draw
5 Kd6 draw
6 Ke6 draw
7 Ke7 draw
8 Rd8 draw
9 Rf5 draw
10 Rf6 draw
11 Rg8 draw
12 Rh8 draw
13 Ke8 loss in 20 half-moves
14 Rf7 loss in 14 half-moves
15 Rf3 loss in 8 half-moves
16 Kd8 loss in 4 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf4 loss in 2 half-moves