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 Kc3 draw
6 Kc5 draw
7 Kd3 draw
8 Kd4 draw
9 Kd5 draw
10 Ra3 draw
11 Rb1 draw
12 Rb4 draw
13 Rb6 draw
14 Rd3 draw
15 Re3 draw
16 Rf3 draw
17 Rh3 draw
18 Rb5 loss in 2 half-moves
19 Rb7 loss in 2 half-moves
20 Rc3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves