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 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb5 draw
14 Rb6 draw
15 Rb8 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Rh4 draw
20 Rb7 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves