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 Rd7 win in 1 half-moves
3 Ka7 draw
4 Kc7 draw
5 Rb1 draw
6 Rb2 draw
7 Rb3 draw
8 Rc7 draw
9 Re7 draw
10 Rf7 draw
11 Rg7 draw
12 Rh7 draw
13 Ka8 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves