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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Ka2 win in 5 half-moves
3 Rb6 win in 5 half-moves
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 R1a5 draw
8 R6a5 draw
9 Ra7 draw
10 Ra8 draw
11 Rd6 draw
12 Re6 draw
13 Rf6 draw
14 R1a2 loss in 2 half-moves
15 R1a3 loss in 2 half-moves
16 R1a4 loss in 2 half-moves
17 R6a2 loss in 2 half-moves
18 R6a3 loss in 2 half-moves
19 R6a4 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves