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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rf7 win in 1 half-moves
3 Rb4 draw
4 Rb6 draw
5 Ka5 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kg8 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Kb5 loss in 1 half-moves
20 Kb6 loss in 1 half-moves
21 Rb5 loss in 1 half-moves