Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Rf5 draw
3 Rf6 draw
4 Rf7 draw
5 Rf8 draw
6 Rg3 draw
7 Rh3 draw
8 K1c2 loss in 2 half-moves
9 K1d2 loss in 2 half-moves
10 K1e2 loss in 2 half-moves
11 K3c2 loss in 2 half-moves
12 K3d2 loss in 2 half-moves
13 K3e2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke1 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf1 loss in 2 half-moves
23 Rf2 loss in 2 half-moves