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 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Rb6 draw
6 Rd2 draw
7 Rg2 draw
8 Rh2 draw
9 Ka5 loss in 2 half-moves
10 Ka7 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Re2 loss in 2 half-moves
19 Rf2 loss in 2 half-moves