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

EGTB: win in 4 half-moves

# move score
1 Rc2 win in 3 half-moves
2 Rc1 win in 5 half-moves
3 Kc1 draw
4 Kc2 draw
5 Kd2 draw
6 Rc3 draw
7 Rc5 draw
8 Rc6 draw
9 Rg4 draw
10 Ke1 loss in 2 half-moves
11 Ke2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc7 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves