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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rc4 win in 3 half-moves
4 Rd4 win in 3 half-moves
5 Re4 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Ka7 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kbb7 loss in 2 half-moves
14 Kbc7 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kc8 loss in 2 half-moves
17 Kcb7 loss in 2 half-moves
18 Kcc7 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves