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

EGTB: win in 4 half-moves

# move score
1 R1a4 win in 3 half-moves
2 Rf1 win in 3 half-moves
3 Rf6 win in 3 half-moves
4 R6a4 win in 7 half-moves
5 R6a2 win in 15 half-moves
6 R6a3 win in 15 half-moves
7 Rd1 win in 31 half-moves
8 Rb1 win in 33 half-moves
9 Rb6 win in 33 half-moves
10 Kg2 draw
11 Kg3 draw
12 Kh2 draw
13 R1a2 draw
14 R1a3 draw
15 Ra7 draw
16 Rc1 draw
17 Rc6 draw
18 Rd6 draw
19 Re6 draw
20 Rg6 draw
21 Rh1 draw
22 Kg4 loss in 2 half-moves
23 Kh4 loss in 2 half-moves
24 R1a5 loss in 2 half-moves
25 R6a5 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Re1 loss in 2 half-moves
28 Rg1 loss in 2 half-moves
29 Rh6 loss in 2 half-moves