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 Ra2 draw
3 Rf3 draw
4 Rf4 draw
5 Rf6 draw
6 Rf7 draw
7 Rf8 draw
8 Rg2 draw
9 Rh2 draw
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kb8 loss in 2 half-moves
13 Kc5 loss in 2 half-moves
14 Kd5 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rd2 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 K6b7 loss in 1 half-moves
23 K6c7 loss in 1 half-moves
24 K6d7 loss in 1 half-moves
25 K8b7 loss in 1 half-moves
26 K8c7 loss in 1 half-moves
27 K8d7 loss in 1 half-moves