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

EGTB: win in 4 half-moves

# move score
1 R2a4 win in 3 half-moves
2 R2a5 win in 3 half-moves
3 Ra8 win in 3 half-moves
4 Re6 win in 3 half-moves
5 Rb2 win in 5 half-moves
6 Rc6 win in 5 half-moves
7 Kd2 win in 7 half-moves
8 R6a5 win in 9 half-moves
9 Kb2 draw
10 R2a3 draw
11 R6a3 draw
12 R6a4 draw
13 Rb6 draw
14 Rd6 draw
15 Rf6 draw
16 Kb1 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kc1 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kd1 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves