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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc5 draw
5 Kc7 draw
6 Kd5 draw
7 Kd6 draw
8 Kd7 draw
9 Rb1 draw
10 Rb2 draw
11 Rb3 draw
12 Rb5 draw
13 Rb6 draw
14 Rb8 draw
15 Rc7 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Rg7 draw
20 Rb4 loss in 2 half-moves
21 Rh7 loss in 2 half-moves