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 Ra8 draw
3 Rc8 draw
4 Rd8 draw
5 Re8 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf5 draw
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd1 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 K1b2 loss in 1 half-moves
23 K1c2 loss in 1 half-moves
24 K1d2 loss in 1 half-moves
25 K3b2 loss in 1 half-moves
26 K3c2 loss in 1 half-moves
27 K3d2 loss in 1 half-moves