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 Re2 win in 1 half-moves
3 Rf2 win in 1 half-moves
4 Kc2 draw
5 Rb3 draw
6 Rd2 draw
7 Kb3 loss in 2 half-moves
8 Kb4 loss in 2 half-moves
9 Kc4 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kd4 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rg2 loss in 2 half-moves
20 Rh2 loss in 2 half-moves
21 Kd2 loss in 1 half-moves