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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Rc2 win in 1 half-moves
3 Rc3 win in 1 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kd4 draw
7 Kd5 draw
8 Rc1 draw
9 Kb4 loss in 2 half-moves
10 Kc6 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves