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

EGTB: win in 2 half-moves

# move score
1 Rd1 win in 1 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rd5 draw
5 Rd6 draw
6 Rd7 draw
7 Rd8 draw
8 Kb7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kd7 loss in 2 half-moves
12 Kd8 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd2 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves