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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rd8 win in 1 half-moves
3 Kc2 draw
4 Kc3 draw
5 Kc4 draw
6 Kd2 draw
7 Ke2 draw
8 Ke3 draw
9 Ke4 draw
10 Ra4 draw
11 Rc4 draw
12 Re4 draw
13 Rd5 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves