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

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Kb3 draw
3 Kc3 draw
4 Kd3 draw
5 Kd4 draw
6 Ke1 draw
7 Ke2 draw
8 Kf2 draw
9 Kg1 draw
10 Kg2 draw
11 Rd4 draw
12 Re4 draw
13 Rg4 draw
14 Rh1 draw
15 Rh3 draw
16 Kb4 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Rh6 loss in 2 half-moves
23 Rh7 loss in 2 half-moves
24 Rh8 loss in 2 half-moves