Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kb7 draw
3 Kc7 draw
4 Kd6 draw
5 Kd7 draw
6 Rf5 draw
7 Rf6 draw
8 Rf7 draw
9 Rc8 loss in 14 half-moves
10 Rh8 loss in 12 half-moves
11 Kb6 loss in 4 half-moves
12 Kb5 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg8 loss in 1 half-moves