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 Kc3 draw
3 Kc5 draw
4 Kd3 draw
5 Ra2 draw
6 Rb1 draw
7 Rb3 draw
8 Rb4 draw
9 Rd2 draw
10 Kb3 loss in 16 half-moves
11 Kd4 loss in 6 half-moves
12 Kd5 loss in 6 half-moves
13 Kb4 loss in 4 half-moves
14 Kb5 loss in 4 half-moves
15 Rc2 loss in 4 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Rf2 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves