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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kc8 win in 3 half-moves
3 Ka3 draw
4 Ka5 draw
5 Kb3 draw
6 Kb4 draw
7 Kb5 draw
8 Kd7 draw
9 Rb4 draw
10 Rc4 draw
11 Rd4 draw
12 Re1 draw
13 Re2 draw
14 Re3 draw
15 Re5 draw
16 Re6 draw
17 Rf4 draw
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rh4 loss in 2 half-moves