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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Ka4 draw
4 Kb4 draw
5 Kb5 draw
6 Rb1 draw
7 Rb4 draw
8 Rb5 draw
9 Rb6 draw
10 Ra2 loss in 6 half-moves
11 Re2 loss in 4 half-moves
12 Rf2 loss in 4 half-moves
13 Rg2 loss in 4 half-moves
14 Ka6 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rb8 loss in 1 half-moves
19 Rh2 loss in 1 half-moves