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 Ra1 draw
3 Rf4 draw
4 Rf6 draw
5 Rf7 draw
6 Rf8 draw
7 Rg1 draw
8 Rh1 draw
9 K3b3 loss in 2 half-moves
10 K3b4 loss in 2 half-moves
11 K3d3 loss in 2 half-moves
12 K3d4 loss in 2 half-moves
13 K4b3 loss in 2 half-moves
14 K4b4 loss in 2 half-moves
15 K4d3 loss in 2 half-moves
16 K4d4 loss in 2 half-moves
17 Kb2 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd2 loss in 2 half-moves
22 Kd5 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rc1 loss in 2 half-moves
25 Rd1 loss in 2 half-moves
26 Re1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves
28 Rf3 loss in 2 half-moves