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

EGTB: win in 20 half-moves

# move score
1 R7a5 win in 19 half-moves
2 Kf6 win in 23 half-moves
3 Kd6 win in 25 half-moves
4 Ke6 win in 25 half-moves
5 R4a5 win in 27 half-moves
6 R7a6 win in 27 half-moves
7 Rc7 win in 27 half-moves
8 Rd7 win in 27 half-moves
9 Kd7 draw
10 Kd8 draw
11 Ke8 draw
12 Kf7 draw
13 Kf8 draw
14 R4a6 draw
15 Ra8 draw
16 Rb4 draw
17 Rb7 draw
18 Rc4 draw
19 Rd4 draw
20 Re4 draw
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves