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 Ka6 draw
3 Kb6 draw
4 Kg3 draw
5 Kg4 draw
6 Kg5 draw
7 Kh3 draw
8 Kh5 draw
9 Re4 draw
10 Rg4 draw
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rd4 loss in 2 half-moves