The official Japanese Pokemon-Card website has just revealed the Japanese version of Pikachu & Zekrom-GX!
The card will be part of SM9, as you can see in the bottom left corner. This means the Sun & Moon TCG series will continue after the release of Let’s Go Pikachu & Eevee and up until the release of Generation VIII in late 2019. The set will likely release in Japan in December.
Pikachu & Zekrom-GX is card #031/095, meaning there will be 95 cards in the Japanese set. In America, the card is #33/181, so our set will have an additional 86 cards. Therefore, our English set will likely be comprised of the cards from October’s Dark Order, any new cards from November’s GX Ultra Shiny, November’s Eeveelution decks, and of course December’s SM9. This also means the dream that the English and Japanese TCG would soon be in sync have now been crushed (not that said dream was ever likely).
The Japanese image also reveals the card will have the same “wavey” holofoil pattern as regular GX cards.