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 Kc1 draw
3 R1a2 draw
4 R3a2 draw
5 Ra4 draw
6 Ra5 draw
7 Ra6 draw
8 Ra8 draw
9 Rb3 draw
10 Rc3 draw
11 Rd3 draw
12 Re3 draw
13 Rf3 draw
14 Rg3 draw
15 Ka2 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Rh3 loss in 2 half-moves