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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Kb4 draw
4 Kb5 draw
5 Kc5 draw
6 Kd4 draw
7 Kd5 draw
8 Ra7 draw
9 Rb1 draw
10 Rb3 draw
11 Rb4 draw
12 Rb5 draw
13 Rc7 draw
14 Rd7 draw
15 Re7 draw
16 Rf7 draw
17 Rg7 draw
18 Rh7 draw
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Rb6 loss in 2 half-moves