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 Kb5 draw
3 Kc6 draw
4 Kd5 draw
5 Kd6 draw
6 Ra6 draw
7 Rb1 draw
8 Rb2 draw
9 Rb4 draw
10 Rb5 draw
11 Rb8 draw
12 Rc6 draw
13 Rd6 draw
14 Re6 draw
15 Rf6 draw
16 Rg6 draw
17 Rh6 draw
18 Kb4 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Rb7 loss in 2 half-moves