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 Rb4 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Re2 draw
7 Rh2 draw
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Ra2 loss in 2 half-moves
14 Rb1 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rc2 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rg2 loss in 1 half-moves