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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Kb2 draw
3 Kb4 draw
4 Kc2 draw
5 Kc3 draw
6 Ra4 draw
7 Rb4 draw
8 Rc1 draw
9 Rc2 draw
10 Rc3 draw
11 Ka2 loss in 4 half-moves
12 Ka3 loss in 4 half-moves
13 Ka4 loss in 4 half-moves
14 Rd4 loss in 4 half-moves
15 Re4 loss in 4 half-moves
16 Rc5 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc7 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves