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 Kb4 draw
3 Kb5 draw
4 Kc3 draw
5 Kc5 draw
6 Kd3 draw
7 Kd4 draw
8 Kd5 draw
9 Ra3 draw
10 Rb1 draw
11 Rb4 draw
12 Rb5 draw
13 Rb6 draw
14 Rb8 draw
15 Rc3 draw
16 Rd3 draw
17 Re3 draw
18 Rf3 draw
19 Rg3 draw
20 Rb7 loss in 2 half-moves
21 Rh3 loss in 2 half-moves