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 Rd4 win in 5 half-moves
4 Kc4 draw
5 Kc5 draw
6 Kc6 draw
7 Rc4 draw
8 Re4 draw
9 Rf1 draw
10 Rf2 draw
11 Rf8 draw
12 Ka1 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Ka4 loss in 2 half-moves
15 Ka5 loss in 2 half-moves
16 Ka6 loss in 2 half-moves
17 Kb1 loss in 2 half-moves
18 Kb2 loss in 2 half-moves
19 Kb3 loss in 2 half-moves
20 Kb4 loss in 2 half-moves
21 Kb6 loss in 2 half-moves
22 Rf3 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rf6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves