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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 draw
3 Rb4 draw
4 Rb5 draw
5 Ra7 loss in 8 half-moves
6 Rg7 loss in 8 half-moves
7 Rh7 loss in 8 half-moves
8 Ka3 loss in 2 half-moves
9 Ka5 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb8 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Kb3 loss in 1 half-moves
18 Kb4 loss in 1 half-moves
19 Kb5 loss in 1 half-moves