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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 7 half-moves
3 Rb8 win in 11 half-moves
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rc2 draw
8 Rd2 draw
9 Re2 draw
10 Rh2 draw
11 Kb6 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kcc8 loss in 2 half-moves
16 Kcd7 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Kdc8 loss in 2 half-moves
19 Kdd7 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Ke8 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rf2 loss in 2 half-moves
25 Rg2 loss in 2 half-moves