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 Rc6 win in 3 half-moves
3 Kb2 win in 5 half-moves
4 Kc2 win in 5 half-moves
5 Kb1 draw
6 Kd1 draw
7 Kd2 draw
8 R1a2 draw
9 R1a3 draw
10 R1a5 draw
11 R6a2 draw
12 R6a4 draw
13 R6a5 draw
14 Rd6 draw
15 Re6 draw
16 R6a3 loss in 6 half-moves
17 Ra7 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rb1 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg6 loss in 2 half-moves
23 Rh6 loss in 2 half-moves