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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Kb5 draw
3 Kc5 draw
4 Kd4 draw
5 Kd5 draw
6 Ra8 draw
7 Rc8 draw
8 Re8 draw
9 Rf4 draw
10 Rf6 draw
11 Rf7 draw
12 Rg8 draw
13 Rh8 draw
14 Kb3 loss in 2 half-moves
15 Kb4 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rf1 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rf3 loss in 2 half-moves