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