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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rd2 win in 3 half-moves
3 Kb3 win in 5 half-moves
4 Kb6 win in 5 half-moves
5 Kc6 win in 5 half-moves
6 Kd3 win in 5 half-moves
7 Kc3 win in 7 half-moves
8 Rc3 win in 9 half-moves
9 K4b4 draw
10 K4b5 draw
11 K4d4 draw
12 K4d5 draw
13 K5b4 draw
14 K5b5 draw
15 K5d4 draw
16 K5d5 draw
17 Ra2 draw
18 Rc1 draw
19 Re2 draw
20 Kd6 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves