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 Re3 win in 1 half-moves
3 Rf3 win in 1 half-moves
4 Kb2 draw
5 Kc1 draw
6 Kc3 draw
7 Ra3 draw
8 Rb2 draw
9 Rc3 draw
10 Rd3 draw
11 Rh3 draw
12 Kb1 loss in 2 half-moves
13 Kd1 loss in 2 half-moves
14 Kd2 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rg3 loss in 1 half-moves