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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Rd4 win in 1 half-moves
3 Kb4 win in 3 half-moves
4 Ra8 win in 5 half-moves
5 Re4 draw
6 Rf4 draw
7 Rg4 draw
8 K1a2 loss in 2 half-moves
9 K1b2 loss in 2 half-moves
10 K3a2 loss in 2 half-moves
11 K3b2 loss in 2 half-moves
12 Kb1 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rc4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves