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 Rb3 win in 5 half-moves
3 Kd3 win in 7 half-moves
4 Rb1 win in 7 half-moves
5 Ke3 win in 11 half-moves
6 Kd1 draw
7 Kd2 draw
8 Ke1 draw
9 Kf1 draw
10 Kg1 draw
11 Ra2 draw
12 Rb5 draw
13 Rb8 draw
14 Rc2 draw
15 Kf2 loss in 2 half-moves
16 Kf3 loss in 2 half-moves
17 Kg2 loss in 2 half-moves
18 Kh2 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb6 loss in 2 half-moves
21 Rb7 loss in 2 half-moves