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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Ra4 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Rf6 draw
5 Ka1 loss in 2 half-moves
6 Ka2 loss in 2 half-moves
7 Ka3 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kb1 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kb4 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kc1 loss in 2 half-moves
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rh4 loss in 2 half-moves