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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ra1 draw
3 Rab2 draw
4 Rac2 draw
5 Rd1 draw
6 Rd7 draw
7 Rdb2 draw
8 Rdc2 draw
9 Rh2 draw
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves