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 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd6 draw
6 Ke4 draw
7 Ke5 draw
8 Ke6 draw
9 Rd3 draw
10 Re4 draw
11 Ra4 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd1 loss in 2 half-moves
15 Rd2 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves