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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb6 draw
3 Rc7 draw
4 Rd7 draw
5 Re7 draw
6 Rh7 draw
7 Ka3 loss in 2 half-moves
8 Ka4 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Kbb3 loss in 2 half-moves
11 Kbb5 loss in 2 half-moves
12 Kbc3 loss in 2 half-moves
13 Kbc5 loss in 2 half-moves
14 Kcb3 loss in 2 half-moves
15 Kcb5 loss in 2 half-moves
16 Kcc3 loss in 2 half-moves
17 Kcc5 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves