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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Ka3 draw
3 Kb3 draw
4 Kbb1 draw
5 Ra7 draw
6 Rb4 draw
7 Rb5 draw
8 Rb8 draw
9 Rg7 draw
10 Rh7 draw
11 Kaa2 loss in 2 half-moves
12 Kab1 loss in 2 half-moves
13 Kba2 loss in 2 half-moves
14 Kc1 loss in 2 half-moves
15 Kc2 loss in 2 half-moves
16 Kc3 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves