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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb5 draw
3 Rb6 draw
4 Re7 draw
5 Rf7 draw
6 Rg7 draw
7 Rh7 draw
8 Ka2 loss in 2 half-moves
9 Ka3 loss in 2 half-moves
10 Ka4 loss in 2 half-moves
11 Kbb2 loss in 2 half-moves
12 Kbb4 loss in 2 half-moves
13 Kbc2 loss in 2 half-moves
14 Kbc4 loss in 2 half-moves
15 Kcb2 loss in 2 half-moves
16 Kcb4 loss in 2 half-moves
17 Kcc2 loss in 2 half-moves
18 Kcc4 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Kd4 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rd7 loss in 2 half-moves