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 Ka3 draw
3 Kaa2 draw
4 Kab1 draw
5 Kb3 draw
6 Kba2 draw
7 Kbb1 draw
8 Kc1 draw
9 Kc2 draw
10 Ra7 draw
11 Rb3 draw
12 Rc7 draw
13 Rg7 draw
14 Rh7 draw
15 Kc3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb6 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