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

EGTB: win in 4 half-moves

# move score
1 R1a2 win in 3 half-moves
2 R7a2 win in 3 half-moves
3 Rf7 win in 3 half-moves
4 Rd7 win in 27 half-moves
5 Kc1 draw
6 R1a6 draw
7 R7a6 draw
8 Ra8 draw
9 Rb1 draw
10 Rb7 draw
11 Rc1 draw
12 Rc7 draw
13 Re7 draw
14 Kc2 loss in 2 half-moves
15 Kd2 loss in 2 half-moves
16 Ke1 loss in 2 half-moves
17 Ke2 loss in 2 half-moves
18 R1a3 loss in 2 half-moves
19 R1a4 loss in 2 half-moves
20 R1a5 loss in 2 half-moves
21 R7a3 loss in 2 half-moves
22 R7a4 loss in 2 half-moves
23 R7a5 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh7 loss in 2 half-moves