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

EGTB: win in 42 half-moves

# move score
1 Rb7 win in 41 half-moves
2 Ra7 win in 43 half-moves
3 Rd7 win in 43 half-moves
4 Rc7 win in 45 half-moves
5 Rh7 win in 45 half-moves
6 Re1 draw
7 Re2 draw
8 Re3 draw
9 Ka3 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Kaa4 loss in 2 half-moves
12 Kab5 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb6 loss in 2 half-moves
15 Kba4 loss in 2 half-moves
16 Kbb5 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Re5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Re8 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rg7 loss in 2 half-moves