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 Kc2 draw
3 Kc3 draw
4 Kd2 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Rc4 draw
9 Re4 draw
10 Rg4 draw
11 Rh4 draw
12 Kc4 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rd8 loss in 2 half-moves