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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Rb7 win in 5 half-moves
4 Rf1 win in 5 half-moves
5 Rf2 win in 5 half-moves
6 Ka1 draw
7 Ka2 draw
8 Ka4 draw
9 Ka5 draw
10 Ka6 draw
11 Kb2 draw
12 Kb4 draw
13 Kb6 draw
14 Kc1 draw
15 Kc2 draw
16 Kc4 draw
17 Kc5 draw
18 Kc6 draw
19 Rd7 draw
20 Re7 draw
21 Rf3 draw
22 Rf8 draw
23 Rf4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves