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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rh7 win in 1 half-moves
3 Kc7 win in 5 half-moves
4 Ka2 draw
5 Kb1 draw
6 Kb2 draw
7 Kb8 draw
8 Kd7 draw
9 Kd8 draw
10 Ra7 draw
11 Rb3 draw
12 Rb4 draw
13 Rb5 draw
14 Rb8 draw
15 Rc7 draw
16 Rd7 draw
17 Rb1 loss in 2 half-moves
18 Rb2 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves