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 Ka4 draw
3 Kb3 draw
4 Kc3 draw
5 Kc4 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh5 draw
10 Rh6 draw
11 Ka3 loss in 6 half-moves
12 Ka5 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh7 loss in 2 half-moves
20 Rh8 loss in 2 half-moves