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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 R1a2 draw
3 R1a3 draw
4 R4a2 draw
5 R4a3 draw
6 Ra5 draw
7 Rb1 draw
8 Rb4 draw
9 Rf4 draw
10 Rh1 draw
11 Rh4 draw
12 Ra6 loss in 2 half-moves
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rc1 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rd4 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg4 loss in 2 half-moves