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

EGTB: win in 4 half-moves

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