Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Re3 win in 1 half-moves
3 Ra3 draw
4 Rb1 draw
5 Rb2 draw
6 Rb8 draw
7 Kb1 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kc2 loss in 2 half-moves
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rf3 loss in 1 half-moves
19 Rg3 loss in 1 half-moves