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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Ka7 draw
4 Ka8 draw
5 Kc7 draw
6 Kc8 draw
7 Ra7 draw
8 Rb4 draw
9 Rb6 draw
10 Rc7 draw
11 Re7 draw
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves