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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kc1 draw
3 Kc3 draw
4 Kd2 draw
5 Kd3 draw
6 Ra3 draw
7 Rb1 draw
8 Rb2 draw
9 Rf3 draw
10 Rg3 draw
11 Rh3 draw
12 Kb1 loss in 12 half-moves
13 Kb2 loss in 12 half-moves
14 Kd1 loss in 4 half-moves
15 Rb4 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rc3 loss in 2 half-moves
20 Rd3 loss in 2 half-moves
21 Re3 loss in 2 half-moves