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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Ka7 win in 3 half-moves
3 Rb4 win in 3 half-moves
4 Ra1 draw
5 Ra2 draw
6 Ra3 draw
7 K5b5 loss in 2 half-moves
8 K5b6 loss in 2 half-moves
9 K6b5 loss in 2 half-moves
10 K6b6 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves