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

EGTB: win in 4 half-moves

# move score
1 Rf5 win in 3 half-moves
2 Rf6 win in 5 half-moves
3 Rf8 win in 5 half-moves
4 Ra1 draw
5 Rb1 draw
6 Rf4 draw
7 Rf7 draw
8 Rg1 draw
9 K6b7 loss in 2 half-moves
10 K6c7 loss in 2 half-moves
11 K6d7 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 K8c7 loss in 2 half-moves
14 K8d7 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kb8 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd1 loss in 2 half-moves
24 Re1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rh1 loss in 2 half-moves