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

EGTB: win in 4 half-moves

# move score
1 Rd2 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Kd7 draw
4 Kd8 draw
5 Ke7 draw
6 Ra2 draw
7 Rb2 draw
8 Rc1 draw
9 Rc3 draw
10 Rc4 draw
11 Rc5 draw
12 Rc6 draw
13 Rc8 draw
14 Kf7 loss in 2 half-moves
15 Kf8 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rh2 loss in 2 half-moves