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

EGTB: win in 4 half-moves

# move score
1 Re3 win in 3 half-moves
2 Kd5 draw
3 Ke5 draw
4 Ke6 draw
5 Ke7 draw
6 Rd1 draw
7 Rd2 draw
8 Rd4 draw
9 Rf3 draw
10 Rg3 draw
11 Rh3 draw
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rb3 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rd5 loss in 2 half-moves