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

EGTB: win in 6 half-moves

# move score
1 R1a3 win in 5 half-moves
2 Re4 win in 5 half-moves
3 R4a3 win in 7 half-moves
4 Rc4 win in 7 half-moves
5 Kc1 draw
6 R1a2 draw
7 R4a2 draw
8 Ra5 draw
9 Ra6 draw
10 Ra7 draw
11 Ra8 draw
12 Rb4 draw
13 Rd4 draw
14 Rf4 draw
15 Rg4 draw
16 Ka2 loss in 2 half-moves
17 Kb2 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Rh4 loss in 2 half-moves