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

EGTB: win in 4 half-moves

# move score
1 Kg2 win in 3 half-moves
2 Kh2 win in 3 half-moves
3 Rc1 win in 3 half-moves
4 Rc2 win in 3 half-moves
5 Kg1 draw
6 Ra3 draw
7 Rb3 draw
8 Rc4 draw
9 Rc5 draw
10 Rd3 draw
11 Re3 loss in 4 half-moves
12 Rc6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves