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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Ra4 win in 1 half-moves
3 R1e2 loss in 2 half-moves
4 R1e3 loss in 2 half-moves
5 R4e2 loss in 2 half-moves
6 R4e3 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re5 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Re6 loss in 1 half-moves