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 Kc6 draw
3 Kd6 draw
4 Ke6 draw
5 Ke7 draw
6 Ke8 draw
7 Ra3 draw
8 Ra7 draw
9 Ra8 draw
10 Rb4 draw
11 Rc4 draw
12 Rd4 draw
13 Re4 draw
14 Kd8 loss in 6 half-moves
15 Kc7 loss in 4 half-moves
16 Kc8 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves