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 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd7 draw
9 Kd8 draw
10 Ra4 draw
11 Rb1 draw
12 Rb2 draw
13 Rb5 draw
14 Rb6 draw
15 Rb7 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Rh4 draw
20 Rb8 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves