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

EGTB: win in 2 half-moves

# move score
1 Rd8 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 Rc4 draw
12 Rd2 draw
13 Rd3 draw
14 Rd6 draw
15 Rd7 draw
16 Re4 draw
17 Rf4 draw
18 Rg4 draw
19 Rh4 draw
20 Rb4 loss in 2 half-moves
21 Rd1 loss in 2 half-moves
22 Rd5 loss in 2 half-moves