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 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ke6 draw
6 Ke8 draw
7 Kf6 draw
8 Kf7 draw
9 Kf8 draw
10 Kg3 draw
11 Ra4 draw
12 Rb4 draw
13 Rc4 draw
14 Rd4 draw
15 Rg4 draw
16 Rh5 draw
17 Rh6 draw
18 Rh7 draw
19 Rh8 draw
20 Kg2 loss in 2 half-moves
21 Kg4 loss in 2 half-moves
22 Kh2 loss in 2 half-moves
23 Re4 loss in 1 half-moves