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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Ra7 draw
3 Rb1 draw
4 Rb5 draw
5 Rc1 draw
6 Rc5 draw
7 Rd1 draw
8 Rd5 draw
9 Re5 draw
10 Rf5 draw
11 R1a2 loss in 2 half-moves
12 R1a3 loss in 2 half-moves
13 R1a4 loss in 2 half-moves
14 R5a2 loss in 2 half-moves
15 R5a3 loss in 2 half-moves
16 R5a4 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rg5 loss in 2 half-moves
22 Rh1 loss in 2 half-moves
23 Rh5 loss in 2 half-moves