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

EGTB: win in 4 half-moves

# move score
1 R7a4 win in 3 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb6 draw
5 Kb8 draw
6 R2a3 draw
7 R2a4 draw
8 R2a5 draw
9 R2a6 draw
10 R7a3 draw
11 Ra1 draw
12 Rb2 draw
13 Rc2 draw
14 Rd2 draw
15 Re2 draw
16 Rf2 draw
17 R7a5 loss in 2 half-moves
18 R7a6 loss in 2 half-moves
19 Ra8 loss in 2 half-moves
20 Kc6 loss in 1 half-moves
21 Kc7 loss in 1 half-moves
22 Kc8 loss in 1 half-moves
23 Rg2 loss in 1 half-moves
24 Rh2 loss in 1 half-moves