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 Ka5 draw
3 Kb5 draw
4 Ra2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rf2 draw
10 Rg2 draw
11 Rh2 draw
12 Ka7 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves
19 Re2 loss in 2 half-moves