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 win in 3 half-moves
3 Rf6 win in 3 half-moves
4 Rf7 win in 3 half-moves
5 Re3 draw
6 Rf8 draw
7 Rg3 draw
8 Rh3 draw
9 Ka5 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kab5 loss in 2 half-moves
12 Kab6 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kcb5 loss in 2 half-moves
18 Kcb6 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rc3 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves