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

EGTB: win in 4 half-moves

# move score
1 Kc3 win in 3 half-moves
2 Kd3 win in 3 half-moves
3 Rc3 win in 3 half-moves
4 Kb1 win in 5 half-moves
5 Kb2 win in 5 half-moves
6 Kc1 win in 5 half-moves
7 Rc5 win in 5 half-moves
8 Kd1 draw
9 Kd2 draw
10 Rc7 draw
11 Rh4 draw
12 Kb3 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rc6 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves