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

EGTB: win in 2 half-moves

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