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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rb3 draw
3 Rb4 draw
4 Rd7 draw
5 Re7 draw
6 Rf7 draw
7 Ka1 loss in 2 half-moves
8 Ka2 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kb4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Kb6 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves